|  | ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 | 
|  | ; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=fiji -mattr=-flat-for-global -enable-ipra=0 < %s | FileCheck -enable-var-scope -check-prefixes=GCN,FIJI %s | 
|  | ; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=hawaii -enable-ipra=0 < %s | FileCheck -enable-var-scope -check-prefixes=GCN,HAWAII %s | 
|  | ; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -mattr=-flat-for-global -enable-ipra=0 < %s | FileCheck -enable-var-scope -check-prefixes=GCN,GFX9 %s | 
|  |  | 
|  | ; FIXME: Why is this commuted only sometimes? | 
|  | define fastcc i32 @i32_fastcc_i32_i32(i32 %arg0, i32 %arg1) #1 { | 
|  | ; FIJI-LABEL: i32_fastcc_i32_i32: | 
|  | ; FIJI:       ; %bb.0: | 
|  | ; FIJI-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; FIJI-NEXT:    v_add_u32_e32 v0, vcc, v0, v1 | 
|  | ; FIJI-NEXT:    s_setpc_b64 s[30:31] | 
|  | ; | 
|  | ; HAWAII-LABEL: i32_fastcc_i32_i32: | 
|  | ; HAWAII:       ; %bb.0: | 
|  | ; HAWAII-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; HAWAII-NEXT:    v_add_i32_e32 v0, vcc, v0, v1 | 
|  | ; HAWAII-NEXT:    s_setpc_b64 s[30:31] | 
|  | ; | 
|  | ; GFX9-LABEL: i32_fastcc_i32_i32: | 
|  | ; GFX9:       ; %bb.0: | 
|  | ; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GFX9-NEXT:    v_add_u32_e32 v0, v0, v1 | 
|  | ; GFX9-NEXT:    s_setpc_b64 s[30:31] | 
|  | %add0 = add i32 %arg0, %arg1 | 
|  | ret i32 %add0 | 
|  | } | 
|  |  | 
|  | define fastcc i32 @i32_fastcc_i32_i32_stack_object(i32 %arg0, i32 %arg1) #1 { | 
|  | ; FIJI-LABEL: i32_fastcc_i32_i32_stack_object: | 
|  | ; FIJI:       ; %bb.0: | 
|  | ; FIJI-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; FIJI-NEXT:    v_mov_b32_e32 v2, 9 | 
|  | ; FIJI-NEXT:    v_add_u32_e32 v0, vcc, v0, v1 | 
|  | ; FIJI-NEXT:    buffer_store_dword v2, off, s[0:3], s32 offset:20 | 
|  | ; FIJI-NEXT:    s_waitcnt vmcnt(0) | 
|  | ; FIJI-NEXT:    s_setpc_b64 s[30:31] | 
|  | ; | 
|  | ; HAWAII-LABEL: i32_fastcc_i32_i32_stack_object: | 
|  | ; HAWAII:       ; %bb.0: | 
|  | ; HAWAII-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; HAWAII-NEXT:    v_mov_b32_e32 v2, 9 | 
|  | ; HAWAII-NEXT:    v_add_i32_e32 v0, vcc, v0, v1 | 
|  | ; HAWAII-NEXT:    buffer_store_dword v2, off, s[0:3], s32 offset:20 | 
|  | ; HAWAII-NEXT:    s_waitcnt vmcnt(0) | 
|  | ; HAWAII-NEXT:    s_setpc_b64 s[30:31] | 
|  | ; | 
|  | ; GFX9-LABEL: i32_fastcc_i32_i32_stack_object: | 
|  | ; GFX9:       ; %bb.0: | 
|  | ; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GFX9-NEXT:    v_mov_b32_e32 v2, 9 | 
|  | ; GFX9-NEXT:    v_add_u32_e32 v0, v0, v1 | 
|  | ; GFX9-NEXT:    buffer_store_dword v2, off, s[0:3], s32 offset:20 | 
|  | ; GFX9-NEXT:    s_waitcnt vmcnt(0) | 
|  | ; GFX9-NEXT:    s_setpc_b64 s[30:31] | 
|  | %alloca = alloca [16 x i32], align 4, addrspace(5) | 
|  | %gep = getelementptr inbounds [16 x i32], ptr addrspace(5) %alloca, i32 0, i32 5 | 
|  | store volatile i32 9, ptr addrspace(5) %gep | 
|  | %add0 = add i32 %arg0, %arg1 | 
|  | ret i32 %add0 | 
|  | } | 
|  |  | 
|  | define hidden fastcc i32 @sibling_call_i32_fastcc_i32_i32(i32 %a, i32 %b, i32 %c) #1 { | 
|  | ; GCN-LABEL: sibling_call_i32_fastcc_i32_i32: | 
|  | ; GCN:       ; %bb.0: ; %entry | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_getpc_b64 s[4:5] | 
|  | ; GCN-NEXT:    s_add_u32 s4, s4, i32_fastcc_i32_i32@gotpcrel32@lo+4 | 
|  | ; GCN-NEXT:    s_addc_u32 s5, s5, i32_fastcc_i32_i32@gotpcrel32@hi+12 | 
|  | ; GCN-NEXT:    s_load_dwordx2 s[4:5], s[4:5], 0x0 | 
|  | ; GCN-NEXT:    s_waitcnt lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_setpc_b64 s[4:5] | 
|  | entry: | 
|  | %ret = tail call fastcc i32 @i32_fastcc_i32_i32(i32 %a, i32 %b) | 
|  | ret i32 %ret | 
|  | } | 
|  |  | 
|  | define fastcc i32 @sibling_call_i32_fastcc_i32_i32_stack_object(i32 %a, i32 %b, i32 %c) #1 { | 
|  | ; GCN-LABEL: sibling_call_i32_fastcc_i32_i32_stack_object: | 
|  | ; GCN:       ; %bb.0: ; %entry | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_getpc_b64 s[4:5] | 
|  | ; GCN-NEXT:    s_add_u32 s4, s4, i32_fastcc_i32_i32@gotpcrel32@lo+4 | 
|  | ; GCN-NEXT:    s_addc_u32 s5, s5, i32_fastcc_i32_i32@gotpcrel32@hi+12 | 
|  | ; GCN-NEXT:    s_load_dwordx2 s[4:5], s[4:5], 0x0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v2, 9 | 
|  | ; GCN-NEXT:    buffer_store_dword v2, off, s[0:3], s32 offset:20 | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_setpc_b64 s[4:5] | 
|  | entry: | 
|  | %alloca = alloca [16 x i32], align 4, addrspace(5) | 
|  | %gep = getelementptr inbounds [16 x i32], ptr addrspace(5) %alloca, i32 0, i32 5 | 
|  | store volatile i32 9, ptr addrspace(5) %gep | 
|  | %ret = tail call fastcc i32 @i32_fastcc_i32_i32(i32 %a, i32 %b) | 
|  | ret i32 %ret | 
|  | } | 
|  |  | 
|  | define fastcc i32 @sibling_call_i32_fastcc_i32_i32_callee_stack_object(i32 %a, i32 %b, i32 %c) #1 { | 
|  | ; GCN-LABEL: sibling_call_i32_fastcc_i32_i32_callee_stack_object: | 
|  | ; GCN:       ; %bb.0: ; %entry | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_getpc_b64 s[4:5] | 
|  | ; GCN-NEXT:    s_add_u32 s4, s4, i32_fastcc_i32_i32_stack_object@gotpcrel32@lo+4 | 
|  | ; GCN-NEXT:    s_addc_u32 s5, s5, i32_fastcc_i32_i32_stack_object@gotpcrel32@hi+12 | 
|  | ; GCN-NEXT:    s_load_dwordx2 s[4:5], s[4:5], 0x0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v2, 9 | 
|  | ; GCN-NEXT:    buffer_store_dword v2, off, s[0:3], s32 offset:20 | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_setpc_b64 s[4:5] | 
|  | entry: | 
|  | %alloca = alloca [16 x i32], align 4, addrspace(5) | 
|  | %gep = getelementptr inbounds [16 x i32], ptr addrspace(5) %alloca, i32 0, i32 5 | 
|  | store volatile i32 9, ptr addrspace(5) %gep | 
|  | %ret = tail call fastcc i32 @i32_fastcc_i32_i32_stack_object(i32 %a, i32 %b) | 
|  | ret i32 %ret | 
|  | } | 
|  |  | 
|  | define fastcc void @sibling_call_i32_fastcc_i32_i32_unused_result(i32 %a, i32 %b, i32 %c) #1 { | 
|  | ; GCN-LABEL: sibling_call_i32_fastcc_i32_i32_unused_result: | 
|  | ; GCN:       ; %bb.0: ; %entry | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_getpc_b64 s[4:5] | 
|  | ; GCN-NEXT:    s_add_u32 s4, s4, i32_fastcc_i32_i32@gotpcrel32@lo+4 | 
|  | ; GCN-NEXT:    s_addc_u32 s5, s5, i32_fastcc_i32_i32@gotpcrel32@hi+12 | 
|  | ; GCN-NEXT:    s_load_dwordx2 s[4:5], s[4:5], 0x0 | 
|  | ; GCN-NEXT:    s_waitcnt lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_setpc_b64 s[4:5] | 
|  | entry: | 
|  | %ret = tail call fastcc i32 @i32_fastcc_i32_i32(i32 %a, i32 %b) | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; It doesn't make sense to do a tail from a kernel | 
|  | define amdgpu_kernel void @kernel_call_i32_fastcc_i32_i32_unused_result(i32 %a, i32 %b, i32 %c) #1 { | 
|  | ; FIJI-LABEL: kernel_call_i32_fastcc_i32_i32_unused_result: | 
|  | ; FIJI:       ; %bb.0: ; %entry | 
|  | ; FIJI-NEXT:    s_add_i32 s6, s6, s9 | 
|  | ; FIJI-NEXT:    s_lshr_b32 flat_scratch_hi, s6, 8 | 
|  | ; FIJI-NEXT:    s_add_u32 s0, s0, s9 | 
|  | ; FIJI-NEXT:    s_addc_u32 s1, s1, 0 | 
|  | ; FIJI-NEXT:    s_mov_b32 flat_scratch_lo, s7 | 
|  | ; FIJI-NEXT:    s_load_dwordx2 s[4:5], s[4:5], 0x0 | 
|  | ; FIJI-NEXT:    s_getpc_b64 s[6:7] | 
|  | ; FIJI-NEXT:    s_add_u32 s6, s6, i32_fastcc_i32_i32@gotpcrel32@lo+4 | 
|  | ; FIJI-NEXT:    s_addc_u32 s7, s7, i32_fastcc_i32_i32@gotpcrel32@hi+12 | 
|  | ; FIJI-NEXT:    s_load_dwordx2 s[6:7], s[6:7], 0x0 | 
|  | ; FIJI-NEXT:    s_mov_b32 s32, 0 | 
|  | ; FIJI-NEXT:    s_waitcnt lgkmcnt(0) | 
|  | ; FIJI-NEXT:    v_mov_b32_e32 v0, s4 | 
|  | ; FIJI-NEXT:    v_mov_b32_e32 v1, s5 | 
|  | ; FIJI-NEXT:    s_swappc_b64 s[30:31], s[6:7] | 
|  | ; FIJI-NEXT:    s_endpgm | 
|  | ; | 
|  | ; HAWAII-LABEL: kernel_call_i32_fastcc_i32_i32_unused_result: | 
|  | ; HAWAII:       ; %bb.0: ; %entry | 
|  | ; HAWAII-NEXT:    s_add_i32 s6, s6, s9 | 
|  | ; HAWAII-NEXT:    s_lshr_b32 flat_scratch_hi, s6, 8 | 
|  | ; HAWAII-NEXT:    s_add_u32 s0, s0, s9 | 
|  | ; HAWAII-NEXT:    s_addc_u32 s1, s1, 0 | 
|  | ; HAWAII-NEXT:    s_mov_b32 flat_scratch_lo, s7 | 
|  | ; HAWAII-NEXT:    s_load_dwordx2 s[4:5], s[4:5], 0x0 | 
|  | ; HAWAII-NEXT:    s_getpc_b64 s[6:7] | 
|  | ; HAWAII-NEXT:    s_add_u32 s6, s6, i32_fastcc_i32_i32@gotpcrel32@lo+4 | 
|  | ; HAWAII-NEXT:    s_addc_u32 s7, s7, i32_fastcc_i32_i32@gotpcrel32@hi+12 | 
|  | ; HAWAII-NEXT:    s_load_dwordx2 s[6:7], s[6:7], 0x0 | 
|  | ; HAWAII-NEXT:    s_mov_b32 s32, 0 | 
|  | ; HAWAII-NEXT:    s_waitcnt lgkmcnt(0) | 
|  | ; HAWAII-NEXT:    v_mov_b32_e32 v0, s4 | 
|  | ; HAWAII-NEXT:    v_mov_b32_e32 v1, s5 | 
|  | ; HAWAII-NEXT:    s_swappc_b64 s[30:31], s[6:7] | 
|  | ; HAWAII-NEXT:    s_endpgm | 
|  | ; | 
|  | ; GFX9-LABEL: kernel_call_i32_fastcc_i32_i32_unused_result: | 
|  | ; GFX9:       ; %bb.0: ; %entry | 
|  | ; GFX9-NEXT:    s_add_u32 flat_scratch_lo, s6, s9 | 
|  | ; GFX9-NEXT:    s_addc_u32 flat_scratch_hi, s7, 0 | 
|  | ; GFX9-NEXT:    s_add_u32 s0, s0, s9 | 
|  | ; GFX9-NEXT:    s_addc_u32 s1, s1, 0 | 
|  | ; GFX9-NEXT:    s_load_dwordx2 s[4:5], s[4:5], 0x0 | 
|  | ; GFX9-NEXT:    s_getpc_b64 s[6:7] | 
|  | ; GFX9-NEXT:    s_add_u32 s6, s6, i32_fastcc_i32_i32@gotpcrel32@lo+4 | 
|  | ; GFX9-NEXT:    s_addc_u32 s7, s7, i32_fastcc_i32_i32@gotpcrel32@hi+12 | 
|  | ; GFX9-NEXT:    s_load_dwordx2 s[6:7], s[6:7], 0x0 | 
|  | ; GFX9-NEXT:    s_mov_b32 s32, 0 | 
|  | ; GFX9-NEXT:    s_waitcnt lgkmcnt(0) | 
|  | ; GFX9-NEXT:    v_mov_b32_e32 v0, s4 | 
|  | ; GFX9-NEXT:    v_mov_b32_e32 v1, s5 | 
|  | ; GFX9-NEXT:    s_swappc_b64 s[30:31], s[6:7] | 
|  | ; GFX9-NEXT:    s_endpgm | 
|  | entry: | 
|  | %ret = tail call fastcc i32 @i32_fastcc_i32_i32(i32 %a, i32 %b) | 
|  | ret void | 
|  | } | 
|  |  | 
|  | define hidden fastcc i32 @i32_fastcc_i32_byval_i32(i32 %arg0, ptr addrspace(5) byval(i32) align 4 %arg1) #1 { | 
|  | ; FIJI-LABEL: i32_fastcc_i32_byval_i32: | 
|  | ; FIJI:       ; %bb.0: | 
|  | ; FIJI-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; FIJI-NEXT:    buffer_load_dword v1, off, s[0:3], s32 | 
|  | ; FIJI-NEXT:    s_waitcnt vmcnt(0) | 
|  | ; FIJI-NEXT:    v_add_u32_e32 v0, vcc, v0, v1 | 
|  | ; FIJI-NEXT:    s_setpc_b64 s[30:31] | 
|  | ; | 
|  | ; HAWAII-LABEL: i32_fastcc_i32_byval_i32: | 
|  | ; HAWAII:       ; %bb.0: | 
|  | ; HAWAII-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; HAWAII-NEXT:    buffer_load_dword v1, off, s[0:3], s32 | 
|  | ; HAWAII-NEXT:    s_waitcnt vmcnt(0) | 
|  | ; HAWAII-NEXT:    v_add_i32_e32 v0, vcc, v0, v1 | 
|  | ; HAWAII-NEXT:    s_setpc_b64 s[30:31] | 
|  | ; | 
|  | ; GFX9-LABEL: i32_fastcc_i32_byval_i32: | 
|  | ; GFX9:       ; %bb.0: | 
|  | ; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GFX9-NEXT:    buffer_load_dword v1, off, s[0:3], s32 | 
|  | ; GFX9-NEXT:    s_waitcnt vmcnt(0) | 
|  | ; GFX9-NEXT:    v_add_u32_e32 v0, v0, v1 | 
|  | ; GFX9-NEXT:    s_setpc_b64 s[30:31] | 
|  | %arg1.load = load i32, ptr addrspace(5) %arg1, align 4 | 
|  | %add0 = add i32 %arg0, %arg1.load | 
|  | ret i32 %add0 | 
|  | } | 
|  |  | 
|  | ; Tail call disallowed with byval in parent. | 
|  | define fastcc i32 @sibling_call_i32_fastcc_i32_byval_i32_byval_parent(i32 %a, ptr addrspace(5) byval(i32) %b.byval, i32 %c) #1 { | 
|  | ; GCN-LABEL: sibling_call_i32_fastcc_i32_byval_i32_byval_parent: | 
|  | ; GCN:       ; %bb.0: ; %entry | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_mov_b32 s4, s33 | 
|  | ; GCN-NEXT:    s_mov_b32 s33, s32 | 
|  | ; GCN-NEXT:    s_or_saveexec_b64 s[6:7], -1 | 
|  | ; GCN-NEXT:    buffer_store_dword v40, off, s[0:3], s33 offset:4 ; 4-byte Folded Spill | 
|  | ; GCN-NEXT:    s_mov_b64 exec, s[6:7] | 
|  | ; GCN-NEXT:    buffer_load_dword v1, off, s[0:3], s33 | 
|  | ; GCN-NEXT:    v_writelane_b32 v40, s4, 2 | 
|  | ; GCN-NEXT:    s_addk_i32 s32, 0x400 | 
|  | ; GCN-NEXT:    v_writelane_b32 v40, s30, 0 | 
|  | ; GCN-NEXT:    s_getpc_b64 s[4:5] | 
|  | ; GCN-NEXT:    s_add_u32 s4, s4, i32_fastcc_i32_byval_i32@rel32@lo+4 | 
|  | ; GCN-NEXT:    s_addc_u32 s5, s5, i32_fastcc_i32_byval_i32@rel32@hi+12 | 
|  | ; GCN-NEXT:    v_writelane_b32 v40, s31, 1 | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) | 
|  | ; GCN-NEXT:    buffer_store_dword v1, off, s[0:3], s32 | 
|  | ; GCN-NEXT:    s_swappc_b64 s[30:31], s[4:5] | 
|  | ; GCN-NEXT:    v_readlane_b32 s31, v40, 1 | 
|  | ; GCN-NEXT:    v_readlane_b32 s30, v40, 0 | 
|  | ; GCN-NEXT:    s_mov_b32 s32, s33 | 
|  | ; GCN-NEXT:    v_readlane_b32 s4, v40, 2 | 
|  | ; GCN-NEXT:    s_or_saveexec_b64 s[6:7], -1 | 
|  | ; GCN-NEXT:    buffer_load_dword v40, off, s[0:3], s33 offset:4 ; 4-byte Folded Reload | 
|  | ; GCN-NEXT:    s_mov_b64 exec, s[6:7] | 
|  | ; GCN-NEXT:    s_mov_b32 s33, s4 | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) | 
|  | ; GCN-NEXT:    s_setpc_b64 s[30:31] | 
|  | entry: | 
|  | %ret = tail call fastcc i32 @i32_fastcc_i32_byval_i32(i32 %a, ptr addrspace(5) byval(i32) %b.byval) | 
|  | ret i32 %ret | 
|  | } | 
|  |  | 
|  | ; Tail call disallowed with byval in parent, not callee. The stack | 
|  | ; usage of incoming arguments must be <= the outgoing stack | 
|  | ; arguments. | 
|  | define fastcc i32 @sibling_call_i32_fastcc_i32_byval_i32(i32 %a, [32 x i32] %large) #1 { | 
|  | ; GCN-LABEL: sibling_call_i32_fastcc_i32_byval_i32: | 
|  | ; GCN:       ; %bb.0: ; %entry | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GCN-NEXT:    buffer_load_dword v1, off, s[0:3], 0 offset:16 | 
|  | ; GCN-NEXT:    s_getpc_b64 s[4:5] | 
|  | ; GCN-NEXT:    s_add_u32 s4, s4, i32_fastcc_i32_byval_i32@rel32@lo+4 | 
|  | ; GCN-NEXT:    s_addc_u32 s5, s5, i32_fastcc_i32_byval_i32@rel32@hi+12 | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) | 
|  | ; GCN-NEXT:    buffer_store_dword v1, off, s[0:3], s32 | 
|  | ; GCN-NEXT:    s_setpc_b64 s[4:5] | 
|  | entry: | 
|  | %ret = tail call fastcc i32 @i32_fastcc_i32_byval_i32(i32 %a, ptr addrspace(5) byval(i32) inttoptr (i32 16 to ptr addrspace(5))) | 
|  | ret i32 %ret | 
|  | } | 
|  |  | 
|  | define fastcc i32 @i32_fastcc_i32_i32_a32i32(i32 %arg0, i32 %arg1, [32 x i32] %large) #1 { | 
|  | ; FIJI-LABEL: i32_fastcc_i32_i32_a32i32: | 
|  | ; FIJI:       ; %bb.0: | 
|  | ; FIJI-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; FIJI-NEXT:    buffer_load_dword v2, off, s[0:3], s32 offset:4 | 
|  | ; FIJI-NEXT:    buffer_load_dword v3, off, s[0:3], s32 offset:8 | 
|  | ; FIJI-NEXT:    v_add_u32_e32 v0, vcc, v0, v1 | 
|  | ; FIJI-NEXT:    s_waitcnt vmcnt(1) | 
|  | ; FIJI-NEXT:    v_add_u32_e32 v0, vcc, v0, v2 | 
|  | ; FIJI-NEXT:    s_waitcnt vmcnt(0) | 
|  | ; FIJI-NEXT:    v_add_u32_e32 v0, vcc, v0, v3 | 
|  | ; FIJI-NEXT:    s_setpc_b64 s[30:31] | 
|  | ; | 
|  | ; HAWAII-LABEL: i32_fastcc_i32_i32_a32i32: | 
|  | ; HAWAII:       ; %bb.0: | 
|  | ; HAWAII-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; HAWAII-NEXT:    buffer_load_dword v2, off, s[0:3], s32 offset:4 | 
|  | ; HAWAII-NEXT:    buffer_load_dword v3, off, s[0:3], s32 offset:8 | 
|  | ; HAWAII-NEXT:    v_add_i32_e32 v0, vcc, v0, v1 | 
|  | ; HAWAII-NEXT:    s_waitcnt vmcnt(1) | 
|  | ; HAWAII-NEXT:    v_add_i32_e32 v0, vcc, v0, v2 | 
|  | ; HAWAII-NEXT:    s_waitcnt vmcnt(0) | 
|  | ; HAWAII-NEXT:    v_add_i32_e32 v0, vcc, v0, v3 | 
|  | ; HAWAII-NEXT:    s_setpc_b64 s[30:31] | 
|  | ; | 
|  | ; GFX9-LABEL: i32_fastcc_i32_i32_a32i32: | 
|  | ; GFX9:       ; %bb.0: | 
|  | ; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GFX9-NEXT:    buffer_load_dword v2, off, s[0:3], s32 offset:8 | 
|  | ; GFX9-NEXT:    buffer_load_dword v3, off, s[0:3], s32 offset:4 | 
|  | ; GFX9-NEXT:    v_add_u32_e32 v0, v0, v1 | 
|  | ; GFX9-NEXT:    s_waitcnt vmcnt(0) | 
|  | ; GFX9-NEXT:    v_add3_u32 v0, v0, v3, v2 | 
|  | ; GFX9-NEXT:    s_setpc_b64 s[30:31] | 
|  | %val_firststack = extractvalue [32 x i32] %large, 30 | 
|  | %val_laststack = extractvalue [32 x i32] %large, 31 | 
|  | %add0 = add i32 %arg0, %arg1 | 
|  | %add1 = add i32 %add0, %val_firststack | 
|  | %add2 = add i32 %add1, %val_laststack | 
|  | ret i32 %add2 | 
|  | } | 
|  |  | 
|  | ; FIXME: Why load and store same location for stack args? | 
|  | define fastcc i32 @sibling_call_i32_fastcc_i32_i32_a32i32(i32 %a, i32 %b, [32 x i32] %c) #1 { | 
|  | ; GCN-LABEL: sibling_call_i32_fastcc_i32_i32_a32i32: | 
|  | ; GCN:       ; %bb.0: ; %entry | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GCN-NEXT:    buffer_load_dword v31, off, s[0:3], s32 | 
|  | ; GCN-NEXT:    buffer_load_dword v32, off, s[0:3], s32 offset:4 | 
|  | ; GCN-NEXT:    buffer_load_dword v33, off, s[0:3], s32 offset:8 | 
|  | ; GCN-NEXT:    s_getpc_b64 s[4:5] | 
|  | ; GCN-NEXT:    s_add_u32 s4, s4, i32_fastcc_i32_i32_a32i32@gotpcrel32@lo+4 | 
|  | ; GCN-NEXT:    s_addc_u32 s5, s5, i32_fastcc_i32_i32_a32i32@gotpcrel32@hi+12 | 
|  | ; GCN-NEXT:    s_load_dwordx2 s[4:5], s[4:5], 0x0 | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(2) | 
|  | ; GCN-NEXT:    buffer_store_dword v31, off, s[0:3], s32 | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(2) | 
|  | ; GCN-NEXT:    buffer_store_dword v32, off, s[0:3], s32 offset:4 | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(2) | 
|  | ; GCN-NEXT:    buffer_store_dword v33, off, s[0:3], s32 offset:8 | 
|  | ; GCN-NEXT:    s_waitcnt lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_setpc_b64 s[4:5] | 
|  | entry: | 
|  | %ret = tail call fastcc i32 @i32_fastcc_i32_i32_a32i32(i32 %a, i32 %b, [32 x i32] %c) | 
|  | ret i32 %ret | 
|  | } | 
|  |  | 
|  | define fastcc i32 @sibling_call_i32_fastcc_i32_i32_a32i32_stack_object(i32 %a, i32 %b, [32 x i32] %c) #1 { | 
|  | ; GCN-LABEL: sibling_call_i32_fastcc_i32_i32_a32i32_stack_object: | 
|  | ; GCN:       ; %bb.0: ; %entry | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GCN-NEXT:    buffer_load_dword v31, off, s[0:3], s32 | 
|  | ; GCN-NEXT:    buffer_load_dword v32, off, s[0:3], s32 offset:4 | 
|  | ; GCN-NEXT:    buffer_load_dword v33, off, s[0:3], s32 offset:8 | 
|  | ; GCN-NEXT:    s_getpc_b64 s[4:5] | 
|  | ; GCN-NEXT:    s_add_u32 s4, s4, i32_fastcc_i32_i32_a32i32@gotpcrel32@lo+4 | 
|  | ; GCN-NEXT:    s_addc_u32 s5, s5, i32_fastcc_i32_i32_a32i32@gotpcrel32@hi+12 | 
|  | ; GCN-NEXT:    s_load_dwordx2 s[4:5], s[4:5], 0x0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v34, 9 | 
|  | ; GCN-NEXT:    buffer_store_dword v34, off, s[0:3], s32 offset:32 | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) | 
|  | ; GCN-NEXT:    buffer_store_dword v31, off, s[0:3], s32 | 
|  | ; GCN-NEXT:    buffer_store_dword v32, off, s[0:3], s32 offset:4 | 
|  | ; GCN-NEXT:    buffer_store_dword v33, off, s[0:3], s32 offset:8 | 
|  | ; GCN-NEXT:    s_waitcnt lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_setpc_b64 s[4:5] | 
|  | entry: | 
|  | %alloca = alloca [16 x i32], align 4, addrspace(5) | 
|  | %gep = getelementptr inbounds [16 x i32], ptr addrspace(5) %alloca, i32 0, i32 5 | 
|  | store volatile i32 9, ptr addrspace(5) %gep | 
|  | %ret = tail call fastcc i32 @i32_fastcc_i32_i32_a32i32(i32 %a, i32 %b, [32 x i32] %c) | 
|  | ret i32 %ret | 
|  | } | 
|  |  | 
|  | ; If the callee requires more stack argument space than the caller, | 
|  | ; don't do a tail call. | 
|  | ; TODO: Do we really need this restriction? | 
|  | define fastcc i32 @no_sibling_call_callee_more_stack_space(i32 %a, i32 %b) #1 { | 
|  | ; GCN-LABEL: no_sibling_call_callee_more_stack_space: | 
|  | ; GCN:       ; %bb.0: ; %entry | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_mov_b32 s4, s33 | 
|  | ; GCN-NEXT:    s_mov_b32 s33, s32 | 
|  | ; GCN-NEXT:    s_or_saveexec_b64 s[6:7], -1 | 
|  | ; GCN-NEXT:    buffer_store_dword v40, off, s[0:3], s33 ; 4-byte Folded Spill | 
|  | ; GCN-NEXT:    s_mov_b64 exec, s[6:7] | 
|  | ; GCN-NEXT:    s_addk_i32 s32, 0x400 | 
|  | ; GCN-NEXT:    v_writelane_b32 v40, s4, 2 | 
|  | ; GCN-NEXT:    s_getpc_b64 s[4:5] | 
|  | ; GCN-NEXT:    s_add_u32 s4, s4, i32_fastcc_i32_i32_a32i32@gotpcrel32@lo+4 | 
|  | ; GCN-NEXT:    s_addc_u32 s5, s5, i32_fastcc_i32_i32_a32i32@gotpcrel32@hi+12 | 
|  | ; GCN-NEXT:    s_load_dwordx2 s[4:5], s[4:5], 0x0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v2, 0 | 
|  | ; GCN-NEXT:    v_writelane_b32 v40, s30, 0 | 
|  | ; GCN-NEXT:    buffer_store_dword v2, off, s[0:3], s32 | 
|  | ; GCN-NEXT:    buffer_store_dword v2, off, s[0:3], s32 offset:4 | 
|  | ; GCN-NEXT:    buffer_store_dword v2, off, s[0:3], s32 offset:8 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v2, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v3, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v4, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v5, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v6, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v7, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v8, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v9, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v10, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v11, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v12, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v13, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v14, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v15, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v16, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v17, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v18, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v19, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v20, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v21, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v22, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v23, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v24, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v25, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v26, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v27, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v28, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v29, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v30, 0 | 
|  | ; GCN-NEXT:    v_writelane_b32 v40, s31, 1 | 
|  | ; GCN-NEXT:    s_waitcnt lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_swappc_b64 s[30:31], s[4:5] | 
|  | ; GCN-NEXT:    v_readlane_b32 s31, v40, 1 | 
|  | ; GCN-NEXT:    v_readlane_b32 s30, v40, 0 | 
|  | ; GCN-NEXT:    s_mov_b32 s32, s33 | 
|  | ; GCN-NEXT:    v_readlane_b32 s4, v40, 2 | 
|  | ; GCN-NEXT:    s_or_saveexec_b64 s[6:7], -1 | 
|  | ; GCN-NEXT:    buffer_load_dword v40, off, s[0:3], s33 ; 4-byte Folded Reload | 
|  | ; GCN-NEXT:    s_mov_b64 exec, s[6:7] | 
|  | ; GCN-NEXT:    s_mov_b32 s33, s4 | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) | 
|  | ; GCN-NEXT:    s_setpc_b64 s[30:31] | 
|  | entry: | 
|  | %ret = tail call fastcc i32 @i32_fastcc_i32_i32_a32i32(i32 %a, i32 %b, [32 x i32] zeroinitializer) | 
|  | ret i32 %ret | 
|  | } | 
|  |  | 
|  | ; Have another non-tail in the function | 
|  | define fastcc i32 @sibling_call_i32_fastcc_i32_i32_other_call(i32 %a, i32 %b, i32 %c) #1 { | 
|  | ; GCN-LABEL: sibling_call_i32_fastcc_i32_i32_other_call: | 
|  | ; GCN:       ; %bb.0: ; %entry | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_mov_b32 s4, s33 | 
|  | ; GCN-NEXT:    s_mov_b32 s33, s32 | 
|  | ; GCN-NEXT:    s_or_saveexec_b64 s[6:7], -1 | 
|  | ; GCN-NEXT:    buffer_store_dword v42, off, s[0:3], s33 offset:8 ; 4-byte Folded Spill | 
|  | ; GCN-NEXT:    s_mov_b64 exec, s[6:7] | 
|  | ; GCN-NEXT:    s_addk_i32 s32, 0x400 | 
|  | ; GCN-NEXT:    v_writelane_b32 v42, s4, 2 | 
|  | ; GCN-NEXT:    s_getpc_b64 s[4:5] | 
|  | ; GCN-NEXT:    s_add_u32 s4, s4, i32_fastcc_i32_i32@gotpcrel32@lo+4 | 
|  | ; GCN-NEXT:    s_addc_u32 s5, s5, i32_fastcc_i32_i32@gotpcrel32@hi+12 | 
|  | ; GCN-NEXT:    s_load_dwordx2 s[4:5], s[4:5], 0x0 | 
|  | ; GCN-NEXT:    v_writelane_b32 v42, s30, 0 | 
|  | ; GCN-NEXT:    buffer_store_dword v40, off, s[0:3], s33 offset:4 ; 4-byte Folded Spill | 
|  | ; GCN-NEXT:    buffer_store_dword v41, off, s[0:3], s33 ; 4-byte Folded Spill | 
|  | ; GCN-NEXT:    v_writelane_b32 v42, s31, 1 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v40, v1 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v41, v0 | 
|  | ; GCN-NEXT:    s_waitcnt lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_swappc_b64 s[30:31], s[4:5] | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v2, v0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v0, v41 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v1, v40 | 
|  | ; GCN-NEXT:    buffer_load_dword v41, off, s[0:3], s33 ; 4-byte Folded Reload | 
|  | ; GCN-NEXT:    buffer_load_dword v40, off, s[0:3], s33 offset:4 ; 4-byte Folded Reload | 
|  | ; GCN-NEXT:    s_getpc_b64 s[4:5] | 
|  | ; GCN-NEXT:    s_add_u32 s4, s4, sibling_call_i32_fastcc_i32_i32@rel32@lo+4 | 
|  | ; GCN-NEXT:    s_addc_u32 s5, s5, sibling_call_i32_fastcc_i32_i32@rel32@hi+12 | 
|  | ; GCN-NEXT:    v_readlane_b32 s31, v42, 1 | 
|  | ; GCN-NEXT:    v_readlane_b32 s30, v42, 0 | 
|  | ; GCN-NEXT:    s_mov_b32 s32, s33 | 
|  | ; GCN-NEXT:    v_readlane_b32 s6, v42, 2 | 
|  | ; GCN-NEXT:    s_or_saveexec_b64 s[8:9], -1 | 
|  | ; GCN-NEXT:    buffer_load_dword v42, off, s[0:3], s33 offset:8 ; 4-byte Folded Reload | 
|  | ; GCN-NEXT:    s_mov_b64 exec, s[8:9] | 
|  | ; GCN-NEXT:    s_mov_b32 s33, s6 | 
|  | ; GCN-NEXT:    s_setpc_b64 s[4:5] | 
|  | entry: | 
|  | %other.call = tail call fastcc i32 @i32_fastcc_i32_i32(i32 %a, i32 %b) | 
|  | %ret = tail call fastcc i32 @sibling_call_i32_fastcc_i32_i32(i32 %a, i32 %b, i32 %other.call) | 
|  | ret i32 %ret | 
|  | } | 
|  |  | 
|  | ; Have stack object in caller and stack passed arguments. SP should be | 
|  | ; in same place at function exit. | 
|  | define fastcc i32 @sibling_call_stack_objecti32_fastcc_i32_i32_a32i32(i32 %a, i32 %b, [32 x i32] %c) #1 { | 
|  | ; GCN-LABEL: sibling_call_stack_objecti32_fastcc_i32_i32_a32i32: | 
|  | ; GCN:       ; %bb.0: ; %entry | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GCN-NEXT:    buffer_load_dword v31, off, s[0:3], s32 | 
|  | ; GCN-NEXT:    buffer_load_dword v32, off, s[0:3], s32 offset:4 | 
|  | ; GCN-NEXT:    buffer_load_dword v33, off, s[0:3], s32 offset:8 | 
|  | ; GCN-NEXT:    s_getpc_b64 s[4:5] | 
|  | ; GCN-NEXT:    s_add_u32 s4, s4, i32_fastcc_i32_i32_a32i32@gotpcrel32@lo+4 | 
|  | ; GCN-NEXT:    s_addc_u32 s5, s5, i32_fastcc_i32_i32_a32i32@gotpcrel32@hi+12 | 
|  | ; GCN-NEXT:    s_load_dwordx2 s[4:5], s[4:5], 0x0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v34, 9 | 
|  | ; GCN-NEXT:    buffer_store_dword v34, off, s[0:3], s32 offset:32 | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) | 
|  | ; GCN-NEXT:    buffer_store_dword v31, off, s[0:3], s32 | 
|  | ; GCN-NEXT:    buffer_store_dword v32, off, s[0:3], s32 offset:4 | 
|  | ; GCN-NEXT:    buffer_store_dword v33, off, s[0:3], s32 offset:8 | 
|  | ; GCN-NEXT:    s_waitcnt lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_setpc_b64 s[4:5] | 
|  | entry: | 
|  | %alloca = alloca [16 x i32], align 4, addrspace(5) | 
|  | %gep = getelementptr inbounds [16 x i32], ptr addrspace(5) %alloca, i32 0, i32 5 | 
|  | store volatile i32 9, ptr addrspace(5) %gep | 
|  | %ret = tail call fastcc i32 @i32_fastcc_i32_i32_a32i32(i32 %a, i32 %b, [32 x i32] %c) | 
|  | ret i32 %ret | 
|  | } | 
|  |  | 
|  | define fastcc i32 @sibling_call_stack_objecti32_fastcc_i32_i32_a32i32_larger_arg_area(i32 %a, i32 %b, [36 x i32] %c) #1 { | 
|  | ; GCN-LABEL: sibling_call_stack_objecti32_fastcc_i32_i32_a32i32_larger_arg_area: | 
|  | ; GCN:       ; %bb.0: ; %entry | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_getpc_b64 s[4:5] | 
|  | ; GCN-NEXT:    s_add_u32 s4, s4, i32_fastcc_i32_i32_a32i32@gotpcrel32@lo+4 | 
|  | ; GCN-NEXT:    s_addc_u32 s5, s5, i32_fastcc_i32_i32_a32i32@gotpcrel32@hi+12 | 
|  | ; GCN-NEXT:    s_load_dwordx2 s[4:5], s[4:5], 0x0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v2, 9 | 
|  | ; GCN-NEXT:    buffer_store_dword v2, off, s[0:3], s32 offset:48 | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v2, 0 | 
|  | ; GCN-NEXT:    buffer_store_dword v2, off, s[0:3], s32 | 
|  | ; GCN-NEXT:    buffer_store_dword v2, off, s[0:3], s32 offset:4 | 
|  | ; GCN-NEXT:    buffer_store_dword v2, off, s[0:3], s32 offset:8 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v2, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v3, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v4, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v5, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v6, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v7, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v8, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v9, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v10, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v11, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v12, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v13, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v14, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v15, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v16, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v17, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v18, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v19, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v20, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v21, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v22, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v23, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v24, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v25, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v26, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v27, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v28, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v29, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v30, 0 | 
|  | ; GCN-NEXT:    s_waitcnt lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_setpc_b64 s[4:5] | 
|  | entry: | 
|  | %alloca = alloca [16 x i32], align 4, addrspace(5) | 
|  | %gep = getelementptr inbounds [16 x i32], ptr addrspace(5) %alloca, i32 0, i32 5 | 
|  | store volatile i32 9, ptr addrspace(5) %gep | 
|  | %ret = tail call fastcc i32 @i32_fastcc_i32_i32_a32i32(i32 %a, i32 %b, [32 x i32] zeroinitializer) | 
|  | ret i32 %ret | 
|  | } | 
|  |  | 
|  | @func_ptr_gv = external unnamed_addr addrspace(4) constant ptr, align 4 | 
|  |  | 
|  | ; Do support tail calls with a uniform, but unknown, callee. | 
|  | define hidden fastcc i32 @indirect_uniform_sibling_call_i32_fastcc_i32_i32(i32 %a, i32 %b, i32 %c) #1 { | 
|  | ; GCN-LABEL: indirect_uniform_sibling_call_i32_fastcc_i32_i32: | 
|  | ; GCN:       ; %bb.0: ; %entry | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_getpc_b64 s[16:17] | 
|  | ; GCN-NEXT:    s_add_u32 s16, s16, func_ptr_gv@gotpcrel32@lo+4 | 
|  | ; GCN-NEXT:    s_addc_u32 s17, s17, func_ptr_gv@gotpcrel32@hi+12 | 
|  | ; GCN-NEXT:    s_load_dwordx2 s[16:17], s[16:17], 0x0 | 
|  | ; GCN-NEXT:    s_waitcnt lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_load_dwordx2 s[16:17], s[16:17], 0x0 | 
|  | ; GCN-NEXT:    s_waitcnt lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_setpc_b64 s[16:17] | 
|  | entry: | 
|  | %func.ptr.load = load ptr, ptr addrspace(4) @func_ptr_gv | 
|  | %ret = tail call fastcc i32 %func.ptr.load(i32 %a, i32 %b) | 
|  | ret i32 %ret | 
|  | } | 
|  |  | 
|  | ; We can't support a tail call to a divergent target. Use a waterfall | 
|  | ; loop around a regular call | 
|  | define hidden fastcc i32 @indirect_divergent_sibling_call_i32_fastcc_i32_i32(ptr %func.ptr, i32 %a, i32 %b, i32 %c) #1 { | 
|  | ; FIJI-LABEL: indirect_divergent_sibling_call_i32_fastcc_i32_i32: | 
|  | ; FIJI:       ; %bb.0: ; %entry | 
|  | ; FIJI-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; FIJI-NEXT:    s_mov_b32 s16, s33 | 
|  | ; FIJI-NEXT:    s_mov_b32 s33, s32 | 
|  | ; FIJI-NEXT:    s_or_saveexec_b64 s[18:19], -1 | 
|  | ; FIJI-NEXT:    buffer_store_dword v40, off, s[0:3], s33 ; 4-byte Folded Spill | 
|  | ; FIJI-NEXT:    s_mov_b64 exec, s[18:19] | 
|  | ; FIJI-NEXT:    v_writelane_b32 v40, s16, 18 | 
|  | ; FIJI-NEXT:    v_writelane_b32 v40, s30, 0 | 
|  | ; FIJI-NEXT:    v_writelane_b32 v40, s31, 1 | 
|  | ; FIJI-NEXT:    v_writelane_b32 v40, s34, 2 | 
|  | ; FIJI-NEXT:    v_writelane_b32 v40, s35, 3 | 
|  | ; FIJI-NEXT:    v_writelane_b32 v40, s36, 4 | 
|  | ; FIJI-NEXT:    v_writelane_b32 v40, s37, 5 | 
|  | ; FIJI-NEXT:    v_writelane_b32 v40, s38, 6 | 
|  | ; FIJI-NEXT:    v_writelane_b32 v40, s39, 7 | 
|  | ; FIJI-NEXT:    v_writelane_b32 v40, s48, 8 | 
|  | ; FIJI-NEXT:    v_writelane_b32 v40, s49, 9 | 
|  | ; FIJI-NEXT:    v_writelane_b32 v40, s50, 10 | 
|  | ; FIJI-NEXT:    v_writelane_b32 v40, s51, 11 | 
|  | ; FIJI-NEXT:    v_writelane_b32 v40, s52, 12 | 
|  | ; FIJI-NEXT:    v_writelane_b32 v40, s53, 13 | 
|  | ; FIJI-NEXT:    v_writelane_b32 v40, s54, 14 | 
|  | ; FIJI-NEXT:    v_writelane_b32 v40, s55, 15 | 
|  | ; FIJI-NEXT:    v_writelane_b32 v40, s64, 16 | 
|  | ; FIJI-NEXT:    s_mov_b32 s50, s15 | 
|  | ; FIJI-NEXT:    s_mov_b32 s51, s14 | 
|  | ; FIJI-NEXT:    s_mov_b32 s52, s13 | 
|  | ; FIJI-NEXT:    s_mov_b32 s53, s12 | 
|  | ; FIJI-NEXT:    s_mov_b64 s[34:35], s[10:11] | 
|  | ; FIJI-NEXT:    s_mov_b64 s[36:37], s[8:9] | 
|  | ; FIJI-NEXT:    s_mov_b64 s[38:39], s[6:7] | 
|  | ; FIJI-NEXT:    s_mov_b64 s[48:49], s[4:5] | 
|  | ; FIJI-NEXT:    v_add_u32_e32 v3, vcc, v3, v4 | 
|  | ; FIJI-NEXT:    s_mov_b64 s[54:55], exec | 
|  | ; FIJI-NEXT:    s_addk_i32 s32, 0x400 | 
|  | ; FIJI-NEXT:    v_writelane_b32 v40, s65, 17 | 
|  | ; FIJI-NEXT:  .LBB18_1: ; =>This Inner Loop Header: Depth=1 | 
|  | ; FIJI-NEXT:    v_readfirstlane_b32 s16, v0 | 
|  | ; FIJI-NEXT:    v_readfirstlane_b32 s17, v1 | 
|  | ; FIJI-NEXT:    v_cmp_eq_u64_e32 vcc, s[16:17], v[0:1] | 
|  | ; FIJI-NEXT:    s_and_saveexec_b64 s[64:65], vcc | 
|  | ; FIJI-NEXT:    s_mov_b64 s[4:5], s[48:49] | 
|  | ; FIJI-NEXT:    s_mov_b64 s[6:7], s[38:39] | 
|  | ; FIJI-NEXT:    s_mov_b64 s[8:9], s[36:37] | 
|  | ; FIJI-NEXT:    s_mov_b64 s[10:11], s[34:35] | 
|  | ; FIJI-NEXT:    s_mov_b32 s12, s53 | 
|  | ; FIJI-NEXT:    s_mov_b32 s13, s52 | 
|  | ; FIJI-NEXT:    s_mov_b32 s14, s51 | 
|  | ; FIJI-NEXT:    s_mov_b32 s15, s50 | 
|  | ; FIJI-NEXT:    v_mov_b32_e32 v0, v2 | 
|  | ; FIJI-NEXT:    v_mov_b32_e32 v1, v3 | 
|  | ; FIJI-NEXT:    s_swappc_b64 s[30:31], s[16:17] | 
|  | ; FIJI-NEXT:    v_mov_b32_e32 v4, v0 | 
|  | ; FIJI-NEXT:    ; implicit-def: $vgpr0_vgpr1 | 
|  | ; FIJI-NEXT:    ; implicit-def: $vgpr31 | 
|  | ; FIJI-NEXT:    ; implicit-def: $vgpr2 | 
|  | ; FIJI-NEXT:    ; implicit-def: $vgpr3 | 
|  | ; FIJI-NEXT:    s_xor_b64 exec, exec, s[64:65] | 
|  | ; FIJI-NEXT:    s_cbranch_execnz .LBB18_1 | 
|  | ; FIJI-NEXT:  ; %bb.2: | 
|  | ; FIJI-NEXT:    s_mov_b64 exec, s[54:55] | 
|  | ; FIJI-NEXT:    v_mov_b32_e32 v0, v4 | 
|  | ; FIJI-NEXT:    v_readlane_b32 s65, v40, 17 | 
|  | ; FIJI-NEXT:    v_readlane_b32 s64, v40, 16 | 
|  | ; FIJI-NEXT:    v_readlane_b32 s55, v40, 15 | 
|  | ; FIJI-NEXT:    v_readlane_b32 s54, v40, 14 | 
|  | ; FIJI-NEXT:    v_readlane_b32 s53, v40, 13 | 
|  | ; FIJI-NEXT:    v_readlane_b32 s52, v40, 12 | 
|  | ; FIJI-NEXT:    v_readlane_b32 s51, v40, 11 | 
|  | ; FIJI-NEXT:    v_readlane_b32 s50, v40, 10 | 
|  | ; FIJI-NEXT:    v_readlane_b32 s49, v40, 9 | 
|  | ; FIJI-NEXT:    v_readlane_b32 s48, v40, 8 | 
|  | ; FIJI-NEXT:    v_readlane_b32 s39, v40, 7 | 
|  | ; FIJI-NEXT:    v_readlane_b32 s38, v40, 6 | 
|  | ; FIJI-NEXT:    v_readlane_b32 s37, v40, 5 | 
|  | ; FIJI-NEXT:    v_readlane_b32 s36, v40, 4 | 
|  | ; FIJI-NEXT:    v_readlane_b32 s35, v40, 3 | 
|  | ; FIJI-NEXT:    v_readlane_b32 s34, v40, 2 | 
|  | ; FIJI-NEXT:    v_readlane_b32 s31, v40, 1 | 
|  | ; FIJI-NEXT:    v_readlane_b32 s30, v40, 0 | 
|  | ; FIJI-NEXT:    s_mov_b32 s32, s33 | 
|  | ; FIJI-NEXT:    v_readlane_b32 s4, v40, 18 | 
|  | ; FIJI-NEXT:    s_or_saveexec_b64 s[6:7], -1 | 
|  | ; FIJI-NEXT:    buffer_load_dword v40, off, s[0:3], s33 ; 4-byte Folded Reload | 
|  | ; FIJI-NEXT:    s_mov_b64 exec, s[6:7] | 
|  | ; FIJI-NEXT:    s_mov_b32 s33, s4 | 
|  | ; FIJI-NEXT:    s_waitcnt vmcnt(0) | 
|  | ; FIJI-NEXT:    s_setpc_b64 s[30:31] | 
|  | ; | 
|  | ; HAWAII-LABEL: indirect_divergent_sibling_call_i32_fastcc_i32_i32: | 
|  | ; HAWAII:       ; %bb.0: ; %entry | 
|  | ; HAWAII-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; HAWAII-NEXT:    s_mov_b32 s16, s33 | 
|  | ; HAWAII-NEXT:    s_mov_b32 s33, s32 | 
|  | ; HAWAII-NEXT:    s_or_saveexec_b64 s[18:19], -1 | 
|  | ; HAWAII-NEXT:    buffer_store_dword v40, off, s[0:3], s33 ; 4-byte Folded Spill | 
|  | ; HAWAII-NEXT:    s_mov_b64 exec, s[18:19] | 
|  | ; HAWAII-NEXT:    v_writelane_b32 v40, s16, 18 | 
|  | ; HAWAII-NEXT:    v_writelane_b32 v40, s30, 0 | 
|  | ; HAWAII-NEXT:    v_writelane_b32 v40, s31, 1 | 
|  | ; HAWAII-NEXT:    v_writelane_b32 v40, s34, 2 | 
|  | ; HAWAII-NEXT:    v_writelane_b32 v40, s35, 3 | 
|  | ; HAWAII-NEXT:    v_writelane_b32 v40, s36, 4 | 
|  | ; HAWAII-NEXT:    v_writelane_b32 v40, s37, 5 | 
|  | ; HAWAII-NEXT:    v_writelane_b32 v40, s38, 6 | 
|  | ; HAWAII-NEXT:    v_writelane_b32 v40, s39, 7 | 
|  | ; HAWAII-NEXT:    v_writelane_b32 v40, s48, 8 | 
|  | ; HAWAII-NEXT:    v_writelane_b32 v40, s49, 9 | 
|  | ; HAWAII-NEXT:    v_writelane_b32 v40, s50, 10 | 
|  | ; HAWAII-NEXT:    v_writelane_b32 v40, s51, 11 | 
|  | ; HAWAII-NEXT:    v_writelane_b32 v40, s52, 12 | 
|  | ; HAWAII-NEXT:    v_writelane_b32 v40, s53, 13 | 
|  | ; HAWAII-NEXT:    v_writelane_b32 v40, s54, 14 | 
|  | ; HAWAII-NEXT:    v_writelane_b32 v40, s55, 15 | 
|  | ; HAWAII-NEXT:    v_writelane_b32 v40, s64, 16 | 
|  | ; HAWAII-NEXT:    s_mov_b32 s50, s15 | 
|  | ; HAWAII-NEXT:    s_mov_b32 s51, s14 | 
|  | ; HAWAII-NEXT:    s_mov_b32 s52, s13 | 
|  | ; HAWAII-NEXT:    s_mov_b32 s53, s12 | 
|  | ; HAWAII-NEXT:    s_mov_b64 s[34:35], s[10:11] | 
|  | ; HAWAII-NEXT:    s_mov_b64 s[36:37], s[8:9] | 
|  | ; HAWAII-NEXT:    s_mov_b64 s[38:39], s[6:7] | 
|  | ; HAWAII-NEXT:    s_mov_b64 s[48:49], s[4:5] | 
|  | ; HAWAII-NEXT:    v_add_i32_e32 v3, vcc, v3, v4 | 
|  | ; HAWAII-NEXT:    s_mov_b64 s[54:55], exec | 
|  | ; HAWAII-NEXT:    s_addk_i32 s32, 0x400 | 
|  | ; HAWAII-NEXT:    v_writelane_b32 v40, s65, 17 | 
|  | ; HAWAII-NEXT:  .LBB18_1: ; =>This Inner Loop Header: Depth=1 | 
|  | ; HAWAII-NEXT:    v_readfirstlane_b32 s16, v0 | 
|  | ; HAWAII-NEXT:    v_readfirstlane_b32 s17, v1 | 
|  | ; HAWAII-NEXT:    v_cmp_eq_u64_e32 vcc, s[16:17], v[0:1] | 
|  | ; HAWAII-NEXT:    s_and_saveexec_b64 s[64:65], vcc | 
|  | ; HAWAII-NEXT:    s_mov_b64 s[4:5], s[48:49] | 
|  | ; HAWAII-NEXT:    s_mov_b64 s[6:7], s[38:39] | 
|  | ; HAWAII-NEXT:    s_mov_b64 s[8:9], s[36:37] | 
|  | ; HAWAII-NEXT:    s_mov_b64 s[10:11], s[34:35] | 
|  | ; HAWAII-NEXT:    s_mov_b32 s12, s53 | 
|  | ; HAWAII-NEXT:    s_mov_b32 s13, s52 | 
|  | ; HAWAII-NEXT:    s_mov_b32 s14, s51 | 
|  | ; HAWAII-NEXT:    s_mov_b32 s15, s50 | 
|  | ; HAWAII-NEXT:    v_mov_b32_e32 v0, v2 | 
|  | ; HAWAII-NEXT:    v_mov_b32_e32 v1, v3 | 
|  | ; HAWAII-NEXT:    s_swappc_b64 s[30:31], s[16:17] | 
|  | ; HAWAII-NEXT:    v_mov_b32_e32 v4, v0 | 
|  | ; HAWAII-NEXT:    ; implicit-def: $vgpr0_vgpr1 | 
|  | ; HAWAII-NEXT:    ; implicit-def: $vgpr31 | 
|  | ; HAWAII-NEXT:    ; implicit-def: $vgpr2 | 
|  | ; HAWAII-NEXT:    ; implicit-def: $vgpr3 | 
|  | ; HAWAII-NEXT:    s_xor_b64 exec, exec, s[64:65] | 
|  | ; HAWAII-NEXT:    s_cbranch_execnz .LBB18_1 | 
|  | ; HAWAII-NEXT:  ; %bb.2: | 
|  | ; HAWAII-NEXT:    s_mov_b64 exec, s[54:55] | 
|  | ; HAWAII-NEXT:    v_mov_b32_e32 v0, v4 | 
|  | ; HAWAII-NEXT:    v_readlane_b32 s65, v40, 17 | 
|  | ; HAWAII-NEXT:    v_readlane_b32 s64, v40, 16 | 
|  | ; HAWAII-NEXT:    v_readlane_b32 s55, v40, 15 | 
|  | ; HAWAII-NEXT:    v_readlane_b32 s54, v40, 14 | 
|  | ; HAWAII-NEXT:    v_readlane_b32 s53, v40, 13 | 
|  | ; HAWAII-NEXT:    v_readlane_b32 s52, v40, 12 | 
|  | ; HAWAII-NEXT:    v_readlane_b32 s51, v40, 11 | 
|  | ; HAWAII-NEXT:    v_readlane_b32 s50, v40, 10 | 
|  | ; HAWAII-NEXT:    v_readlane_b32 s49, v40, 9 | 
|  | ; HAWAII-NEXT:    v_readlane_b32 s48, v40, 8 | 
|  | ; HAWAII-NEXT:    v_readlane_b32 s39, v40, 7 | 
|  | ; HAWAII-NEXT:    v_readlane_b32 s38, v40, 6 | 
|  | ; HAWAII-NEXT:    v_readlane_b32 s37, v40, 5 | 
|  | ; HAWAII-NEXT:    v_readlane_b32 s36, v40, 4 | 
|  | ; HAWAII-NEXT:    v_readlane_b32 s35, v40, 3 | 
|  | ; HAWAII-NEXT:    v_readlane_b32 s34, v40, 2 | 
|  | ; HAWAII-NEXT:    v_readlane_b32 s31, v40, 1 | 
|  | ; HAWAII-NEXT:    v_readlane_b32 s30, v40, 0 | 
|  | ; HAWAII-NEXT:    s_mov_b32 s32, s33 | 
|  | ; HAWAII-NEXT:    v_readlane_b32 s4, v40, 18 | 
|  | ; HAWAII-NEXT:    s_or_saveexec_b64 s[6:7], -1 | 
|  | ; HAWAII-NEXT:    buffer_load_dword v40, off, s[0:3], s33 ; 4-byte Folded Reload | 
|  | ; HAWAII-NEXT:    s_mov_b64 exec, s[6:7] | 
|  | ; HAWAII-NEXT:    s_mov_b32 s33, s4 | 
|  | ; HAWAII-NEXT:    s_waitcnt vmcnt(0) | 
|  | ; HAWAII-NEXT:    s_setpc_b64 s[30:31] | 
|  | ; | 
|  | ; GFX9-LABEL: indirect_divergent_sibling_call_i32_fastcc_i32_i32: | 
|  | ; GFX9:       ; %bb.0: ; %entry | 
|  | ; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GFX9-NEXT:    s_mov_b32 s16, s33 | 
|  | ; GFX9-NEXT:    s_mov_b32 s33, s32 | 
|  | ; GFX9-NEXT:    s_or_saveexec_b64 s[18:19], -1 | 
|  | ; GFX9-NEXT:    buffer_store_dword v40, off, s[0:3], s33 ; 4-byte Folded Spill | 
|  | ; GFX9-NEXT:    s_mov_b64 exec, s[18:19] | 
|  | ; GFX9-NEXT:    v_writelane_b32 v40, s16, 18 | 
|  | ; GFX9-NEXT:    v_writelane_b32 v40, s30, 0 | 
|  | ; GFX9-NEXT:    v_writelane_b32 v40, s31, 1 | 
|  | ; GFX9-NEXT:    v_writelane_b32 v40, s34, 2 | 
|  | ; GFX9-NEXT:    v_writelane_b32 v40, s35, 3 | 
|  | ; GFX9-NEXT:    v_writelane_b32 v40, s36, 4 | 
|  | ; GFX9-NEXT:    v_writelane_b32 v40, s37, 5 | 
|  | ; GFX9-NEXT:    v_writelane_b32 v40, s38, 6 | 
|  | ; GFX9-NEXT:    v_writelane_b32 v40, s39, 7 | 
|  | ; GFX9-NEXT:    v_writelane_b32 v40, s48, 8 | 
|  | ; GFX9-NEXT:    v_writelane_b32 v40, s49, 9 | 
|  | ; GFX9-NEXT:    v_writelane_b32 v40, s50, 10 | 
|  | ; GFX9-NEXT:    v_writelane_b32 v40, s51, 11 | 
|  | ; GFX9-NEXT:    v_writelane_b32 v40, s52, 12 | 
|  | ; GFX9-NEXT:    v_writelane_b32 v40, s53, 13 | 
|  | ; GFX9-NEXT:    v_writelane_b32 v40, s54, 14 | 
|  | ; GFX9-NEXT:    v_writelane_b32 v40, s55, 15 | 
|  | ; GFX9-NEXT:    v_writelane_b32 v40, s64, 16 | 
|  | ; GFX9-NEXT:    s_mov_b32 s50, s15 | 
|  | ; GFX9-NEXT:    s_mov_b32 s51, s14 | 
|  | ; GFX9-NEXT:    s_mov_b32 s52, s13 | 
|  | ; GFX9-NEXT:    s_mov_b32 s53, s12 | 
|  | ; GFX9-NEXT:    s_mov_b64 s[34:35], s[10:11] | 
|  | ; GFX9-NEXT:    s_mov_b64 s[36:37], s[8:9] | 
|  | ; GFX9-NEXT:    s_mov_b64 s[38:39], s[6:7] | 
|  | ; GFX9-NEXT:    s_mov_b64 s[48:49], s[4:5] | 
|  | ; GFX9-NEXT:    v_add_u32_e32 v3, v3, v4 | 
|  | ; GFX9-NEXT:    s_mov_b64 s[54:55], exec | 
|  | ; GFX9-NEXT:    s_addk_i32 s32, 0x400 | 
|  | ; GFX9-NEXT:    v_writelane_b32 v40, s65, 17 | 
|  | ; GFX9-NEXT:  .LBB18_1: ; =>This Inner Loop Header: Depth=1 | 
|  | ; GFX9-NEXT:    v_readfirstlane_b32 s16, v0 | 
|  | ; GFX9-NEXT:    v_readfirstlane_b32 s17, v1 | 
|  | ; GFX9-NEXT:    v_cmp_eq_u64_e32 vcc, s[16:17], v[0:1] | 
|  | ; GFX9-NEXT:    s_and_saveexec_b64 s[64:65], vcc | 
|  | ; GFX9-NEXT:    s_mov_b64 s[4:5], s[48:49] | 
|  | ; GFX9-NEXT:    s_mov_b64 s[6:7], s[38:39] | 
|  | ; GFX9-NEXT:    s_mov_b64 s[8:9], s[36:37] | 
|  | ; GFX9-NEXT:    s_mov_b64 s[10:11], s[34:35] | 
|  | ; GFX9-NEXT:    s_mov_b32 s12, s53 | 
|  | ; GFX9-NEXT:    s_mov_b32 s13, s52 | 
|  | ; GFX9-NEXT:    s_mov_b32 s14, s51 | 
|  | ; GFX9-NEXT:    s_mov_b32 s15, s50 | 
|  | ; GFX9-NEXT:    v_mov_b32_e32 v0, v2 | 
|  | ; GFX9-NEXT:    v_mov_b32_e32 v1, v3 | 
|  | ; GFX9-NEXT:    s_swappc_b64 s[30:31], s[16:17] | 
|  | ; GFX9-NEXT:    v_mov_b32_e32 v4, v0 | 
|  | ; GFX9-NEXT:    ; implicit-def: $vgpr0_vgpr1 | 
|  | ; GFX9-NEXT:    ; implicit-def: $vgpr31 | 
|  | ; GFX9-NEXT:    ; implicit-def: $vgpr2 | 
|  | ; GFX9-NEXT:    ; implicit-def: $vgpr3 | 
|  | ; GFX9-NEXT:    s_xor_b64 exec, exec, s[64:65] | 
|  | ; GFX9-NEXT:    s_cbranch_execnz .LBB18_1 | 
|  | ; GFX9-NEXT:  ; %bb.2: | 
|  | ; GFX9-NEXT:    s_mov_b64 exec, s[54:55] | 
|  | ; GFX9-NEXT:    v_mov_b32_e32 v0, v4 | 
|  | ; GFX9-NEXT:    v_readlane_b32 s65, v40, 17 | 
|  | ; GFX9-NEXT:    v_readlane_b32 s64, v40, 16 | 
|  | ; GFX9-NEXT:    v_readlane_b32 s55, v40, 15 | 
|  | ; GFX9-NEXT:    v_readlane_b32 s54, v40, 14 | 
|  | ; GFX9-NEXT:    v_readlane_b32 s53, v40, 13 | 
|  | ; GFX9-NEXT:    v_readlane_b32 s52, v40, 12 | 
|  | ; GFX9-NEXT:    v_readlane_b32 s51, v40, 11 | 
|  | ; GFX9-NEXT:    v_readlane_b32 s50, v40, 10 | 
|  | ; GFX9-NEXT:    v_readlane_b32 s49, v40, 9 | 
|  | ; GFX9-NEXT:    v_readlane_b32 s48, v40, 8 | 
|  | ; GFX9-NEXT:    v_readlane_b32 s39, v40, 7 | 
|  | ; GFX9-NEXT:    v_readlane_b32 s38, v40, 6 | 
|  | ; GFX9-NEXT:    v_readlane_b32 s37, v40, 5 | 
|  | ; GFX9-NEXT:    v_readlane_b32 s36, v40, 4 | 
|  | ; GFX9-NEXT:    v_readlane_b32 s35, v40, 3 | 
|  | ; GFX9-NEXT:    v_readlane_b32 s34, v40, 2 | 
|  | ; GFX9-NEXT:    v_readlane_b32 s31, v40, 1 | 
|  | ; GFX9-NEXT:    v_readlane_b32 s30, v40, 0 | 
|  | ; GFX9-NEXT:    s_mov_b32 s32, s33 | 
|  | ; GFX9-NEXT:    v_readlane_b32 s4, v40, 18 | 
|  | ; GFX9-NEXT:    s_or_saveexec_b64 s[6:7], -1 | 
|  | ; GFX9-NEXT:    buffer_load_dword v40, off, s[0:3], s33 ; 4-byte Folded Reload | 
|  | ; GFX9-NEXT:    s_mov_b64 exec, s[6:7] | 
|  | ; GFX9-NEXT:    s_mov_b32 s33, s4 | 
|  | ; GFX9-NEXT:    s_waitcnt vmcnt(0) | 
|  | ; GFX9-NEXT:    s_setpc_b64 s[30:31] | 
|  | entry: | 
|  | %add = add i32 %b, %c | 
|  | %ret = tail call fastcc i32 %func.ptr(i32 %a, i32 %add) | 
|  | ret i32 %ret | 
|  | } | 
|  |  | 
|  | declare hidden fastcc void @void_fastcc_multi_byval(i32 %a, ptr addrspace(5) byval([3 x i32]) align 16, ptr addrspace(5) byval([2 x i64])) | 
|  |  | 
|  | define fastcc void @sibling_call_fastcc_multi_byval(i32 %a, [64 x i32]) #1 { | 
|  | ; GCN-LABEL: sibling_call_fastcc_multi_byval: | 
|  | ; GCN:       ; %bb.0: ; %entry | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v1, 9 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v2, 0 | 
|  | ; GCN-NEXT:    s_getpc_b64 s[16:17] | 
|  | ; GCN-NEXT:    s_add_u32 s16, s16, void_fastcc_multi_byval@rel32@lo+4 | 
|  | ; GCN-NEXT:    s_addc_u32 s17, s17, void_fastcc_multi_byval@rel32@hi+12 | 
|  | ; GCN-NEXT:    buffer_store_dword v1, off, s[0:3], s32 offset:148 | 
|  | ; GCN-NEXT:    buffer_store_dword v1, off, s[0:3], s32 offset:144 | 
|  | ; GCN-NEXT:    buffer_store_dword v1, off, s[0:3], s32 offset:152 | 
|  | ; GCN-NEXT:    buffer_store_dword v2, off, s[0:3], s32 offset:172 | 
|  | ; GCN-NEXT:    buffer_store_dword v2, off, s[0:3], s32 offset:168 | 
|  | ; GCN-NEXT:    buffer_store_dword v2, off, s[0:3], s32 offset:164 | 
|  | ; GCN-NEXT:    buffer_store_dword v2, off, s[0:3], s32 offset:160 | 
|  | ; GCN-NEXT:    buffer_store_dword v1, off, s[0:3], s32 offset:4 | 
|  | ; GCN-NEXT:    buffer_store_dword v1, off, s[0:3], s32 | 
|  | ; GCN-NEXT:    buffer_store_dword v2, off, s[0:3], s32 offset:28 | 
|  | ; GCN-NEXT:    buffer_store_dword v2, off, s[0:3], s32 offset:24 | 
|  | ; GCN-NEXT:    buffer_store_dword v2, off, s[0:3], s32 offset:20 | 
|  | ; GCN-NEXT:    buffer_store_dword v2, off, s[0:3], s32 offset:16 | 
|  | ; GCN-NEXT:    buffer_store_dword v1, off, s[0:3], s32 offset:8 | 
|  | ; GCN-NEXT:    s_setpc_b64 s[16:17] | 
|  | entry: | 
|  | %alloca0 = alloca [3 x i32], align 16, addrspace(5) | 
|  | %alloca1 = alloca [2 x i64], align 8, addrspace(5) | 
|  | store [3 x i32] [i32 9, i32 9, i32 9], ptr addrspace(5) %alloca0 | 
|  | store [2 x i64] zeroinitializer, ptr addrspace(5) %alloca1 | 
|  | tail call fastcc void @void_fastcc_multi_byval(i32 %a, ptr addrspace(5) byval([3 x i32]) %alloca0, ptr addrspace(5) byval([2 x i64]) %alloca1) | 
|  | ret void | 
|  | } | 
|  |  | 
|  | declare hidden fastcc void @void_fastcc_byval_and_stack_passed(ptr addrspace(5) byval([3 x i32]) align 16, [32 x i32], i32) | 
|  |  | 
|  | ; Callee has a byval and non-byval stack passed argument | 
|  | define fastcc void @sibling_call_byval_and_stack_passed(i32 %stack.out.arg, [64 x i32]) #1 { | 
|  | ; GCN-LABEL: sibling_call_byval_and_stack_passed: | 
|  | ; GCN:       ; %bb.0: ; %entry | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v1, 9 | 
|  | ; GCN-NEXT:    buffer_store_dword v1, off, s[0:3], s32 offset:148 | 
|  | ; GCN-NEXT:    buffer_store_dword v1, off, s[0:3], s32 offset:144 | 
|  | ; GCN-NEXT:    buffer_store_dword v1, off, s[0:3], s32 offset:152 | 
|  | ; GCN-NEXT:    buffer_store_dword v1, off, s[0:3], s32 offset:4 | 
|  | ; GCN-NEXT:    buffer_store_dword v1, off, s[0:3], s32 | 
|  | ; GCN-NEXT:    buffer_store_dword v1, off, s[0:3], s32 offset:8 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v1, 0 | 
|  | ; GCN-NEXT:    buffer_store_dword v1, off, s[0:3], s32 offset:12 | 
|  | ; GCN-NEXT:    buffer_store_dword v0, off, s[0:3], s32 offset:16 | 
|  | ; GCN-NEXT:    s_getpc_b64 s[16:17] | 
|  | ; GCN-NEXT:    s_add_u32 s16, s16, void_fastcc_byval_and_stack_passed@rel32@lo+4 | 
|  | ; GCN-NEXT:    s_addc_u32 s17, s17, void_fastcc_byval_and_stack_passed@rel32@hi+12 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v0, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v1, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v2, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v3, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v4, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v5, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v6, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v7, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v8, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v9, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v10, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v11, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v12, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v13, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v14, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v15, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v16, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v17, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v18, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v19, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v20, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v21, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v22, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v23, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v24, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v25, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v26, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v27, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v28, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v29, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v30, 0 | 
|  | ; GCN-NEXT:    s_setpc_b64 s[16:17] | 
|  | entry: | 
|  | %alloca = alloca [3 x i32], align 16, addrspace(5) | 
|  | store [3 x i32] [i32 9, i32 9, i32 9], ptr addrspace(5) %alloca | 
|  | tail call fastcc void @void_fastcc_byval_and_stack_passed(ptr addrspace(5) byval([3 x i32]) %alloca, [32 x i32] zeroinitializer, i32 %stack.out.arg) | 
|  | ret void | 
|  | } | 
|  |  | 
|  | declare hidden fastcc i64 @i64_fastcc_i64(i64 %arg0) | 
|  |  | 
|  | define hidden fastcc i64 @sibling_call_i64_fastcc_i64(i64 %a) #1 { | 
|  | ; GCN-LABEL: sibling_call_i64_fastcc_i64: | 
|  | ; GCN:       ; %bb.0: ; %entry | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_getpc_b64 s[16:17] | 
|  | ; GCN-NEXT:    s_add_u32 s16, s16, i64_fastcc_i64@rel32@lo+4 | 
|  | ; GCN-NEXT:    s_addc_u32 s17, s17, i64_fastcc_i64@rel32@hi+12 | 
|  | ; GCN-NEXT:    s_setpc_b64 s[16:17] | 
|  | entry: | 
|  | %ret = tail call fastcc i64 @i64_fastcc_i64(i64 %a) | 
|  | ret i64 %ret | 
|  | } | 
|  |  | 
|  | declare hidden fastcc ptr addrspace(1) @p1i8_fastcc_p1i8(ptr addrspace(1) %arg0) | 
|  |  | 
|  | define hidden fastcc ptr addrspace(1) @sibling_call_p1i8_fastcc_p1i8(ptr addrspace(1) %a) #1 { | 
|  | ; GCN-LABEL: sibling_call_p1i8_fastcc_p1i8: | 
|  | ; GCN:       ; %bb.0: ; %entry | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_getpc_b64 s[16:17] | 
|  | ; GCN-NEXT:    s_add_u32 s16, s16, p1i8_fastcc_p1i8@rel32@lo+4 | 
|  | ; GCN-NEXT:    s_addc_u32 s17, s17, p1i8_fastcc_p1i8@rel32@hi+12 | 
|  | ; GCN-NEXT:    s_setpc_b64 s[16:17] | 
|  | entry: | 
|  | %ret = tail call fastcc ptr addrspace(1) @p1i8_fastcc_p1i8(ptr addrspace(1) %a) | 
|  | ret ptr addrspace(1) %ret | 
|  | } | 
|  |  | 
|  | declare hidden fastcc i16 @i16_fastcc_i16(i16 %arg0) | 
|  |  | 
|  | define hidden fastcc i16 @sibling_call_i16_fastcc_i16(i16 %a) #1 { | 
|  | ; GCN-LABEL: sibling_call_i16_fastcc_i16: | 
|  | ; GCN:       ; %bb.0: ; %entry | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_getpc_b64 s[16:17] | 
|  | ; GCN-NEXT:    s_add_u32 s16, s16, i16_fastcc_i16@rel32@lo+4 | 
|  | ; GCN-NEXT:    s_addc_u32 s17, s17, i16_fastcc_i16@rel32@hi+12 | 
|  | ; GCN-NEXT:    s_setpc_b64 s[16:17] | 
|  | entry: | 
|  | %ret = tail call fastcc i16 @i16_fastcc_i16(i16 %a) | 
|  | ret i16 %ret | 
|  | } | 
|  |  | 
|  | declare hidden fastcc half @f16_fastcc_f16(half %arg0) | 
|  |  | 
|  | define hidden fastcc half @sibling_call_f16_fastcc_f16(half %a) #1 { | 
|  | ; GCN-LABEL: sibling_call_f16_fastcc_f16: | 
|  | ; GCN:       ; %bb.0: ; %entry | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_getpc_b64 s[16:17] | 
|  | ; GCN-NEXT:    s_add_u32 s16, s16, f16_fastcc_f16@rel32@lo+4 | 
|  | ; GCN-NEXT:    s_addc_u32 s17, s17, f16_fastcc_f16@rel32@hi+12 | 
|  | ; GCN-NEXT:    s_setpc_b64 s[16:17] | 
|  | entry: | 
|  | %ret = tail call fastcc half @f16_fastcc_f16(half %a) | 
|  | ret half %ret | 
|  | } | 
|  |  | 
|  | declare hidden fastcc <3 x i16> @v3i16_fastcc_v3i16(<3 x i16> %arg0) | 
|  |  | 
|  | define hidden fastcc <3 x i16> @sibling_call_v3i16_fastcc_v3i16(<3 x i16> %a) #1 { | 
|  | ; GCN-LABEL: sibling_call_v3i16_fastcc_v3i16: | 
|  | ; GCN:       ; %bb.0: ; %entry | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_getpc_b64 s[16:17] | 
|  | ; GCN-NEXT:    s_add_u32 s16, s16, v3i16_fastcc_v3i16@rel32@lo+4 | 
|  | ; GCN-NEXT:    s_addc_u32 s17, s17, v3i16_fastcc_v3i16@rel32@hi+12 | 
|  | ; GCN-NEXT:    s_setpc_b64 s[16:17] | 
|  | entry: | 
|  | %ret = tail call fastcc <3 x i16> @v3i16_fastcc_v3i16(<3 x i16> %a) | 
|  | ret <3 x i16> %ret | 
|  | } | 
|  |  | 
|  | declare hidden fastcc <4 x i16> @v4i16_fastcc_v4i16(<4 x i16> %arg0) | 
|  |  | 
|  | define hidden fastcc <4 x i16> @sibling_call_v4i16_fastcc_v4i16(<4 x i16> %a) #1 { | 
|  | ; GCN-LABEL: sibling_call_v4i16_fastcc_v4i16: | 
|  | ; GCN:       ; %bb.0: ; %entry | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_getpc_b64 s[16:17] | 
|  | ; GCN-NEXT:    s_add_u32 s16, s16, v4i16_fastcc_v4i16@rel32@lo+4 | 
|  | ; GCN-NEXT:    s_addc_u32 s17, s17, v4i16_fastcc_v4i16@rel32@hi+12 | 
|  | ; GCN-NEXT:    s_setpc_b64 s[16:17] | 
|  | entry: | 
|  | %ret = tail call fastcc <4 x i16> @v4i16_fastcc_v4i16(<4 x i16> %a) | 
|  | ret <4 x i16> %ret | 
|  | } | 
|  |  | 
|  | declare hidden fastcc <2 x i64> @v2i64_fastcc_v2i64(<2 x i64> %arg0) | 
|  |  | 
|  | define hidden fastcc <2 x i64> @sibling_call_v2i64_fastcc_v2i64(<2 x i64> %a) #1 { | 
|  | ; GCN-LABEL: sibling_call_v2i64_fastcc_v2i64: | 
|  | ; GCN:       ; %bb.0: ; %entry | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | 
|  | ; GCN-NEXT:    s_getpc_b64 s[16:17] | 
|  | ; GCN-NEXT:    s_add_u32 s16, s16, v2i64_fastcc_v2i64@rel32@lo+4 | 
|  | ; GCN-NEXT:    s_addc_u32 s17, s17, v2i64_fastcc_v2i64@rel32@hi+12 | 
|  | ; GCN-NEXT:    s_setpc_b64 s[16:17] | 
|  | entry: | 
|  | %ret = tail call fastcc <2 x i64> @v2i64_fastcc_v2i64(<2 x i64> %a) | 
|  | ret <2 x i64> %ret | 
|  | } | 
|  |  | 
|  | attributes #0 = { nounwind } | 
|  | attributes #1 = { nounwind noinline "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-heap-ptr" "amdgpu-no-hostcall-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-lds-kernel-id" "amdgpu-no-multigrid-sync-arg" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" } |