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llvm-mirror/test/CodeGen/R600/legalizedag-bug-expand-setcc.ll
2013-03-08 15:37:02 +00:00

27 lines
686 B
LLVM

; 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 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
}