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cf082ae903
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
sed -i '' "s/;\(.*\)\([A-Za-z0-9_]*\):\( *\)@$FUNC\([( ]*\)\$/;\1\2-LABEL:\3@$FUNC(/g" $TEMP
done
mv $TEMP $NAME
fi
done
llvm-svn: 186268
47 lines
1.4 KiB
LLVM
47 lines
1.4 KiB
LLVM
; Test that the stpcpy library call simplifier works correctly.
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; RUN: opt < %s -instcombine -S | FileCheck %s
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;
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; This transformation requires the pointer size, as it assumes that size_t is
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; the size of a pointer.
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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-n8:16:32"
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@hello = constant [6 x i8] c"hello\00"
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@a = common global [32 x i8] zeroinitializer, align 1
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@b = common global [32 x i8] zeroinitializer, align 1
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declare i8* @stpcpy(i8*, i8*)
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define i8* @test_simplify1() {
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; CHECK-LABEL: @test_simplify1(
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%dst = getelementptr [32 x i8]* @a, i32 0, i32 0
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%src = getelementptr [6 x i8]* @hello, i32 0, i32 0
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%ret = call i8* @stpcpy(i8* %dst, i8* %src)
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; CHECK: @llvm.memcpy.p0i8.p0i8.i32
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; CHECK-NEXT: getelementptr inbounds ([32 x i8]* @a, i32 0, i32 5)
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ret i8* %ret
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}
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define i8* @test_simplify2() {
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; CHECK-LABEL: @test_simplify2(
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%dst = getelementptr [32 x i8]* @a, i32 0, i32 0
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%ret = call i8* @stpcpy(i8* %dst, i8* %dst)
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; CHECK: [[LEN:%[a-z]+]] = call i32 @strlen
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; CHECK-NEXT: getelementptr inbounds [32 x i8]* @a, i32 0, i32 [[LEN]]
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ret i8* %ret
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}
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define i8* @test_no_simplify1() {
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; CHECK-LABEL: @test_no_simplify1(
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%dst = getelementptr [32 x i8]* @a, i32 0, i32 0
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%src = getelementptr [32 x i8]* @b, i32 0, i32 0
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%ret = call i8* @stpcpy(i8* %dst, i8* %src)
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; CHECK: call i8* @stpcpy
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ret i8* %ret
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}
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