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This patch migrates the strpbrk optimizations from the simplify-libcalls pass into the instcombine library call simplifier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167105 91177308-0d34-0410-b5e6-96231b3b80d8
24 lines
750 B
LLVM
24 lines
750 B
LLVM
; Test that the strpbrk 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:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
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@hello = constant [12 x i8] c"hello world\00"
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@w = constant [2 x i8] c"w\00"
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declare i16* @strpbrk(i8*, i8*)
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; Check that 'strpbrk' functions with the wrong prototype aren't simplified.
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define i16* @test_no_simplify1() {
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; CHECK: @test_no_simplify1
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%str = getelementptr [12 x i8]* @hello, i32 0, i32 0
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%pat = getelementptr [2 x i8]* @w, i32 0, i32 0
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%ret = call i16* @strpbrk(i8* %str, i8* %pat)
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; CHECK-NEXT: %ret = call i16* @strpbrk
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ret i16* %ret
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; CHECK-NEXT: ret i16* %ret
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}
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