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39f4e8d9cc
This update was done with the following bash script:
find test/Transforms -name "*.ll" | \
while read NAME; do
echo "$NAME"
if ! grep -q "^; *RUN: *llc" $NAME; then
TEMP=`mktemp -t temp`
cp $NAME $TEMP
sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \
while read FUNC; do
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done
mv $TEMP $NAME
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done
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186268 91177308-0d34-0410-b5e6-96231b3b80d8
69 lines
1.8 KiB
LLVM
69 lines
1.8 KiB
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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@null = constant [1 x i8] zeroinitializer
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declare i8* @strpbrk(i8*, i8*)
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; Check strpbrk(s, "") -> NULL.
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define i8* @test_simplify1(i8* %str) {
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; CHECK-LABEL: @test_simplify1(
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%pat = getelementptr [1 x i8]* @null, i32 0, i32 0
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%ret = call i8* @strpbrk(i8* %str, i8* %pat)
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ret i8* %ret
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; CHECK-NEXT: ret i8* null
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}
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; Check strpbrk("", s) -> NULL.
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define i8* @test_simplify2(i8* %pat) {
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; CHECK-LABEL: @test_simplify2(
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%str = getelementptr [1 x i8]* @null, i32 0, i32 0
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%ret = call i8* @strpbrk(i8* %str, i8* %pat)
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ret i8* %ret
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; CHECK-NEXT: ret i8* null
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}
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; Check strpbrk(s1, s2), where s1 and s2 are constants.
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define i8* @test_simplify3() {
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; CHECK-LABEL: @test_simplify3(
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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 i8* @strpbrk(i8* %str, i8* %pat)
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ret i8* %ret
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; CHECK-NEXT: ret i8* getelementptr inbounds ([12 x i8]* @hello, i32 0, i32 6)
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}
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; Check strpbrk(s, "a") -> strchr(s, 'a').
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define i8* @test_simplify4(i8* %str) {
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; CHECK-LABEL: @test_simplify4(
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%pat = getelementptr [2 x i8]* @w, i32 0, i32 0
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%ret = call i8* @strpbrk(i8* %str, i8* %pat)
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; CHECK-NEXT: [[VAR:%[a-z]+]] = call i8* @strchr(i8* %str, i32 119)
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ret i8* %ret
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; CHECK-NEXT: ret i8* [[VAR]]
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}
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; Check cases that shouldn't be simplified.
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define i8* @test_no_simplify1(i8* %str, i8* %pat) {
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; CHECK-LABEL: @test_no_simplify1(
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%ret = call i8* @strpbrk(i8* %str, i8* %pat)
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; CHECK-NEXT: %ret = call i8* @strpbrk(i8* %str, i8* %pat)
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ret i8* %ret
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; CHECK-NEXT: ret i8* %ret
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}
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