| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 |
| ; RUN: llc < %s -march=nvptx64 --debug-counter=dagcombine=0 | FileCheck %s |
| ; RUN: %if ptxas %{ llc < %s -march=nvptx64 --debug-counter=dagcombine=0 | %ptxas-verify %} |
| |
| ; REQUIRES: asserts |
| ; asserts are required for --debug-counter=dagcombine=0 to have the intended |
| ; effect of disabling DAG combines, which exposes the bug. When combines are |
| ; enabled the bug does not occur. |
| |
| %struct.1float = type <{ [1 x float] }> |
| |
| declare i32 @callee(%struct.1float %a) |
| |
| define i32 @test(%struct.1float alignstack(32) %data) { |
| ; CHECK-LABEL: test( |
| ; CHECK: { |
| ; CHECK-NEXT: .reg .b32 %r<6>; |
| ; CHECK-EMPTY: |
| ; CHECK-NEXT: // %bb.0: |
| ; CHECK-NEXT: ld.param.b32 %r1, [test_param_0]; |
| ; CHECK-NEXT: { // callseq 0, 0 |
| ; CHECK-NEXT: .param .align 1 .b8 param0[4]; |
| ; CHECK-NEXT: .param .b32 retval0; |
| ; CHECK-NEXT: st.param.b8 [param0], %r1; |
| ; CHECK-NEXT: shr.u32 %r2, %r1, 8; |
| ; CHECK-NEXT: st.param.b8 [param0+1], %r2; |
| ; CHECK-NEXT: shr.u32 %r3, %r1, 16; |
| ; CHECK-NEXT: st.param.b8 [param0+2], %r3; |
| ; CHECK-NEXT: shr.u32 %r4, %r3, 8; |
| ; CHECK-NEXT: st.param.b8 [param0+3], %r4; |
| ; CHECK-NEXT: call.uni (retval0), callee, (param0); |
| ; CHECK-NEXT: ld.param.b32 %r5, [retval0]; |
| ; CHECK-NEXT: } // callseq 0 |
| ; CHECK-NEXT: st.param.b32 [func_retval0], %r5; |
| ; CHECK-NEXT: ret; |
| |
| %1 = call i32 @callee(%struct.1float %data) |
| ret i32 %1 |
| } |