| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 -verify-machineinstrs | FileCheck %s |
| |
| define i32 @fun0(i32 %n) #0 { |
| ; CHECK-LABEL: fun0: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: stmg %r11, %r15, 88(%r15) |
| ; CHECK-NEXT: .cfi_offset %r11, -72 |
| ; CHECK-NEXT: .cfi_offset %r15, -40 |
| ; CHECK-NEXT: aghi %r15, -160 |
| ; CHECK-NEXT: .cfi_def_cfa_offset 320 |
| ; CHECK-NEXT: lgr %r11, %r15 |
| ; CHECK-NEXT: .cfi_def_cfa_register %r11 |
| ; CHECK-NEXT: # kill: def $r2l killed $r2l def $r2d |
| ; CHECK-NEXT: risbgn %r1, %r2, 30, 189, 2 |
| ; CHECK-NEXT: la %r0, 7(%r1) |
| ; CHECK-NEXT: risbgn %r1, %r0, 29, 188, 0 |
| ; CHECK-NEXT: clgfi %r1, 4096 |
| ; CHECK-NEXT: jl .LBB0_2 |
| ; CHECK-NEXT: .LBB0_1: # =>This Inner Loop Header: Depth=1 |
| ; CHECK-NEXT: slgfi %r1, 4096 |
| ; CHECK-NEXT: slgfi %r15, 4096 |
| ; CHECK-NEXT: cg %r15, 4088(%r15) |
| ; CHECK-NEXT: clgfi %r1, 4096 |
| ; CHECK-NEXT: jhe .LBB0_1 |
| ; CHECK-NEXT: .LBB0_2: |
| ; CHECK-NEXT: cgije %r1, 0, .LBB0_4 |
| ; CHECK-NEXT: # %bb.3: |
| ; CHECK-NEXT: slgr %r15, %r1 |
| ; CHECK-NEXT: cg %r15, -8(%r1,%r15) |
| ; CHECK-NEXT: .LBB0_4: |
| ; CHECK-NEXT: la %r1, 160(%r15) |
| ; CHECK-NEXT: lhi %r0, 1 |
| ; CHECK-NEXT: sty %r0, 4792(%r1) |
| ; CHECK-NEXT: l %r2, 0(%r1) |
| ; CHECK-NEXT: lmg %r11, %r15, 248(%r11) |
| ; CHECK-NEXT: br %r14 |
| |
| %a = alloca i32, i32 %n |
| %b = getelementptr inbounds i32, i32* %a, i64 1198 |
| store volatile i32 1, i32* %b |
| %c = load volatile i32, i32* %a |
| ret i32 %c |
| } |
| |
| ; Probe size should be modulo stack alignment. |
| define i32 @fun1(i32 %n) #0 "stack-probe-size"="1250" { |
| ; CHECK-LABEL: fun1: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: stmg %r11, %r15, 88(%r15) |
| ; CHECK-NEXT: .cfi_offset %r11, -72 |
| ; CHECK-NEXT: .cfi_offset %r15, -40 |
| ; CHECK-NEXT: aghi %r15, -160 |
| ; CHECK-NEXT: .cfi_def_cfa_offset 320 |
| ; CHECK-NEXT: lgr %r11, %r15 |
| ; CHECK-NEXT: .cfi_def_cfa_register %r11 |
| ; CHECK-NEXT: # kill: def $r2l killed $r2l def $r2d |
| ; CHECK-NEXT: risbgn %r1, %r2, 30, 189, 2 |
| ; CHECK-NEXT: la %r0, 7(%r1) |
| ; CHECK-NEXT: risbgn %r1, %r0, 29, 188, 0 |
| ; CHECK-NEXT: clgfi %r1, 1248 |
| ; CHECK-NEXT: jl .LBB1_2 |
| ; CHECK-NEXT: .LBB1_1: # =>This Inner Loop Header: Depth=1 |
| ; CHECK-NEXT: slgfi %r1, 1248 |
| ; CHECK-NEXT: slgfi %r15, 1248 |
| ; CHECK-NEXT: cg %r15, 1240(%r15) |
| ; CHECK-NEXT: clgfi %r1, 1248 |
| ; CHECK-NEXT: jhe .LBB1_1 |
| ; CHECK-NEXT: .LBB1_2: |
| ; CHECK-NEXT: cgije %r1, 0, .LBB1_4 |
| ; CHECK-NEXT: # %bb.3: |
| ; CHECK-NEXT: slgr %r15, %r1 |
| ; CHECK-NEXT: cg %r15, -8(%r1,%r15) |
| ; CHECK-NEXT: .LBB1_4: |
| ; CHECK-NEXT: la %r1, 160(%r15) |
| ; CHECK-NEXT: lhi %r0, 1 |
| ; CHECK-NEXT: sty %r0, 4792(%r1) |
| ; CHECK-NEXT: l %r2, 0(%r1) |
| ; CHECK-NEXT: lmg %r11, %r15, 248(%r11) |
| ; CHECK-NEXT: br %r14 |
| %a = alloca i32, i32 %n |
| %b = getelementptr inbounds i32, i32* %a, i64 1198 |
| store volatile i32 1, i32* %b |
| %c = load volatile i32, i32* %a |
| ret i32 %c |
| } |
| |
| ; The minimum probe size is the stack alignment. |
| define i32 @fun2(i32 %n) #0 "stack-probe-size"="4" { |
| ; CHECK-LABEL: fun2: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: stmg %r11, %r15, 88(%r15) |
| ; CHECK-NEXT: .cfi_offset %r11, -72 |
| ; CHECK-NEXT: .cfi_offset %r15, -40 |
| ; CHECK-NEXT: lgr %r0, %r15 |
| ; CHECK-NEXT: .cfi_def_cfa_register %r0 |
| ; CHECK-NEXT: aghi %r0, -160 |
| ; CHECK-NEXT: .cfi_def_cfa_offset 320 |
| ; CHECK-NEXT: .LBB2_1: # =>This Inner Loop Header: Depth=1 |
| ; CHECK-NEXT: aghi %r15, -8 |
| ; CHECK-NEXT: cg %r0, 0(%r15) |
| ; CHECK-NEXT: clgrjh %r15, %r0, .LBB2_1 |
| ; CHECK-NEXT: # %bb.2: |
| ; CHECK-NEXT: .cfi_def_cfa_register %r15 |
| ; CHECK-NEXT: lgr %r11, %r15 |
| ; CHECK-NEXT: .cfi_def_cfa_register %r11 |
| ; CHECK-NEXT: # kill: def $r2l killed $r2l def $r2d |
| ; CHECK-NEXT: risbgn %r1, %r2, 30, 189, 2 |
| ; CHECK-NEXT: la %r0, 7(%r1) |
| ; CHECK-NEXT: risbgn %r1, %r0, 29, 188, 0 |
| ; CHECK-NEXT: clgijl %r1, 8, .LBB2_4 |
| ; CHECK-NEXT: .LBB2_3: # =>This Inner Loop Header: Depth=1 |
| ; CHECK-NEXT: slgfi %r1, 8 |
| ; CHECK-NEXT: slgfi %r15, 8 |
| ; CHECK-NEXT: cg %r15, 0(%r15) |
| ; CHECK-NEXT: clgijhe %r1, 8, .LBB2_3 |
| ; CHECK-NEXT: .LBB2_4: |
| ; CHECK-NEXT: cgije %r1, 0, .LBB2_6 |
| ; CHECK-NEXT: # %bb.5: |
| ; CHECK-NEXT: slgr %r15, %r1 |
| ; CHECK-NEXT: cg %r15, -8(%r1,%r15) |
| ; CHECK-NEXT: .LBB2_6: |
| ; CHECK-NEXT: la %r1, 160(%r15) |
| ; CHECK-NEXT: lhi %r0, 1 |
| ; CHECK-NEXT: sty %r0, 4792(%r1) |
| ; CHECK-NEXT: l %r2, 0(%r1) |
| ; CHECK-NEXT: lmg %r11, %r15, 248(%r11) |
| ; CHECK-NEXT: br %r14 |
| %a = alloca i32, i32 %n |
| %b = getelementptr inbounds i32, i32* %a, i64 1198 |
| store volatile i32 1, i32* %b |
| %c = load volatile i32, i32* %a |
| ret i32 %c |
| } |
| |
| attributes #0 = {"probe-stack"="inline-asm"} |