mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-21 03:53:04 +02:00
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
95 lines
2.9 KiB
LLVM
95 lines
2.9 KiB
LLVM
; Test lib call simplification of __strcpy_chk calls with various values
|
|
; for src, dst, and slen.
|
|
;
|
|
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
|
|
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"
|
|
|
|
@a = common global [60 x i8] zeroinitializer, align 1
|
|
@b = common global [60 x i8] zeroinitializer, align 1
|
|
@.str = private constant [12 x i8] c"abcdefghijk\00"
|
|
|
|
; Check cases where slen >= strlen (src).
|
|
|
|
define void @test_simplify1() {
|
|
; CHECK-LABEL: @test_simplify1(
|
|
%dst = getelementptr inbounds [60 x i8]* @a, i32 0, i32 0
|
|
%src = getelementptr inbounds [12 x i8]* @.str, i32 0, i32 0
|
|
|
|
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32
|
|
call i8* @__strcpy_chk(i8* %dst, i8* %src, i32 60)
|
|
ret void
|
|
}
|
|
|
|
define void @test_simplify2() {
|
|
; CHECK-LABEL: @test_simplify2(
|
|
%dst = getelementptr inbounds [60 x i8]* @a, i32 0, i32 0
|
|
%src = getelementptr inbounds [12 x i8]* @.str, i32 0, i32 0
|
|
|
|
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32
|
|
call i8* @__strcpy_chk(i8* %dst, i8* %src, i32 12)
|
|
ret void
|
|
}
|
|
|
|
define void @test_simplify3() {
|
|
; CHECK-LABEL: @test_simplify3(
|
|
%dst = getelementptr inbounds [60 x i8]* @a, i32 0, i32 0
|
|
%src = getelementptr inbounds [12 x i8]* @.str, i32 0, i32 0
|
|
|
|
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32
|
|
call i8* @__strcpy_chk(i8* %dst, i8* %src, i32 -1)
|
|
ret void
|
|
}
|
|
|
|
; Check cases where there are no string constants.
|
|
|
|
define void @test_simplify4() {
|
|
; CHECK-LABEL: @test_simplify4(
|
|
%dst = getelementptr inbounds [60 x i8]* @a, i32 0, i32 0
|
|
%src = getelementptr inbounds [60 x i8]* @b, i32 0, i32 0
|
|
|
|
; CHECK-NEXT: call i8* @strcpy
|
|
call i8* @__strcpy_chk(i8* %dst, i8* %src, i32 -1)
|
|
ret void
|
|
}
|
|
|
|
; Check case where the string length is not constant.
|
|
|
|
define void @test_simplify5() {
|
|
; CHECK-LABEL: @test_simplify5(
|
|
%dst = getelementptr inbounds [60 x i8]* @a, i32 0, i32 0
|
|
%src = getelementptr inbounds [12 x i8]* @.str, i32 0, i32 0
|
|
|
|
; CHECK: @__memcpy_chk
|
|
%len = call i32 @llvm.objectsize.i32(i8* %dst, i1 false)
|
|
call i8* @__strcpy_chk(i8* %dst, i8* %src, i32 %len)
|
|
ret void
|
|
}
|
|
|
|
; Check case where the source and destination are the same.
|
|
|
|
define i8* @test_simplify6() {
|
|
; CHECK-LABEL: @test_simplify6(
|
|
%dst = getelementptr inbounds [60 x i8]* @a, i32 0, i32 0
|
|
|
|
; CHECK: getelementptr inbounds ([60 x i8]* @a, i32 0, i32 0)
|
|
%len = call i32 @llvm.objectsize.i32(i8* %dst, i1 false)
|
|
%ret = call i8* @__strcpy_chk(i8* %dst, i8* %dst, i32 %len)
|
|
ret i8* %ret
|
|
}
|
|
|
|
; Check case where slen < strlen (src).
|
|
|
|
define void @test_no_simplify1() {
|
|
; CHECK-LABEL: @test_no_simplify1(
|
|
%dst = getelementptr inbounds [60 x i8]* @a, i32 0, i32 0
|
|
%src = getelementptr inbounds [60 x i8]* @b, i32 0, i32 0
|
|
|
|
; CHECK-NEXT: call i8* @__strcpy_chk
|
|
call i8* @__strcpy_chk(i8* %dst, i8* %src, i32 8)
|
|
ret void
|
|
}
|
|
|
|
declare i8* @__strcpy_chk(i8*, i8*, i32) nounwind
|
|
declare i32 @llvm.objectsize.i32(i8*, i1) nounwind readonly
|