diff options
Diffstat (limited to 'test/CodeGen/AMDGPU/legalizedag-bug-expand-setcc.ll')
-rw-r--r-- | test/CodeGen/AMDGPU/legalizedag-bug-expand-setcc.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/CodeGen/AMDGPU/legalizedag-bug-expand-setcc.ll b/test/CodeGen/AMDGPU/legalizedag-bug-expand-setcc.ll new file mode 100644 index 000000000000..4244c48d240e --- /dev/null +++ b/test/CodeGen/AMDGPU/legalizedag-bug-expand-setcc.ll @@ -0,0 +1,26 @@ +; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s + +; This tests a bug where LegalizeDAG was not checking the target's +; BooleanContents value and always using one for true, when expanding +; setcc to select_cc. +; +; This bug caused the icmp IR instruction to be expanded to two machine +; instructions, when only one is needed. +; + +; CHECK: {{^}}setcc_expand: +; CHECK: SET +; CHECK-NOT: CND +define void @setcc_expand(i32 addrspace(1)* %out, i32 %in) { +entry: + %0 = icmp eq i32 %in, 5 + br i1 %0, label %IF, label %ENDIF +IF: + %1 = getelementptr i32, i32 addrspace(1)* %out, i32 1 + store i32 0, i32 addrspace(1)* %1 + br label %ENDIF + +ENDIF: + store i32 0, i32 addrspace(1)* %out + ret void +} |