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ef654a7ee6
We know that urem %V, C can be optimized away to %V if %V is ult C. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@291282 91177308-0d34-0410-b5e6-96231b3b80d8
37 lines
932 B
LLVM
37 lines
932 B
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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@.str = internal constant [5 x i8] c"foo\0A\00"
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@.str1 = internal constant [5 x i8] c"bar\0A\00"
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define i32 @main() nounwind {
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entry:
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%x = call i32 @func_11() nounwind
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%tmp3 = or i32 %x, -5
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%tmp5 = urem i32 251, %tmp3
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%tmp6 = icmp ne i32 %tmp5, 0
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%tmp67 = zext i1 %tmp6 to i32
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%tmp9 = urem i32 %tmp67, 95
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%tmp10 = and i32 %tmp9, 1
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%tmp12 = icmp eq i32 %tmp10, 0
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br i1 %tmp12, label %bb14, label %bb
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bb:
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br label %bb15
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bb14:
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br label %bb15
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bb15:
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%iftmp.0.0 = phi i8* [ getelementptr ([5 x i8], [5 x i8]* @.str1, i32 0, i32 0), %bb14 ], [ getelementptr ([5 x i8], [5 x i8]* @.str, i32 0, i32 0), %bb ]
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%tmp17 = call i32 (i8*, ...) @printf(i8* %iftmp.0.0) nounwind
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ret i32 0
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}
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; CHECK-LABEL: define i32 @main(
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; CHECK: call i32 @func_11()
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; CHECK-NEXT: br i1 false, label %bb14, label %bb
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declare i32 @func_11()
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declare i32 @printf(i8*, ...) nounwind
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