view test/CodeGen/AMDGPU/legalizedag-bug-expand-setcc.ll @ 134:3a76565eade5 LLVM5.0.1

update 5.0.1
author mir3636
date Sat, 17 Feb 2018 09:57:20 +0900
parents 803732b1fca8
children
line wrap: on
line source

; 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 amdgpu_kernel 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
}