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TEMP=`mktemp -t temp`
cp $NAME $TEMP
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llvm-svn: 186268
22 lines
707 B
LLVM
22 lines
707 B
LLVM
; Test that the strcspn library call simplifier works correctly.
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;
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; RUN: opt < %s -instcombine -S | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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@null = constant [1 x i8] zeroinitializer
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declare double @strcspn(i8*, i8*)
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; Check that strcspn functions with the wrong prototype aren't simplified.
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define double @test_no_simplify1(i8* %pat) {
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; CHECK-LABEL: @test_no_simplify1(
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%str = getelementptr [1 x i8]* @null, i32 0, i32 0
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%ret = call double @strcspn(i8* %str, i8* %pat)
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; CHECK-NEXT: call double @strcspn
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ret double %ret
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; CHECK-NEXT: ret double %ret
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}
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