mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +00:00
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
sed -i '' "s/;\(.*\)\([A-Za-z0-9_]*\):\( *\)@$FUNC\([( ]*\)\$/;\1\2-LABEL:\3@$FUNC(/g" $TEMP
done
mv $TEMP $NAME
fi
done
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186268 91177308-0d34-0410-b5e6-96231b3b80d8
66 lines
2.0 KiB
LLVM
66 lines
2.0 KiB
LLVM
; Test that the strstr library call simplifier works correctly.
|
|
;
|
|
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
|
|
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"
|
|
|
|
@.str = private constant [1 x i8] zeroinitializer
|
|
@.str1 = private constant [2 x i8] c"a\00"
|
|
@.str2 = private constant [6 x i8] c"abcde\00"
|
|
@.str3 = private constant [4 x i8] c"bcd\00"
|
|
|
|
declare i8* @strstr(i8*, i8*)
|
|
|
|
; Check strstr(str, "") -> str.
|
|
|
|
define i8* @test_simplify1(i8* %str) {
|
|
; CHECK-LABEL: @test_simplify1(
|
|
%pat = getelementptr inbounds [1 x i8]* @.str, i32 0, i32 0
|
|
%ret = call i8* @strstr(i8* %str, i8* %pat)
|
|
ret i8* %ret
|
|
; CHECK-NEXT: ret i8* %str
|
|
}
|
|
|
|
; Check strstr(str, "a") -> strchr(str, 'a').
|
|
|
|
define i8* @test_simplify2(i8* %str) {
|
|
; CHECK-LABEL: @test_simplify2(
|
|
%pat = getelementptr inbounds [2 x i8]* @.str1, i32 0, i32 0
|
|
%ret = call i8* @strstr(i8* %str, i8* %pat)
|
|
ret i8* %ret
|
|
; CHECK-NEXT: @strchr(i8* %str, i32 97)
|
|
}
|
|
|
|
; Check strstr("abcde", "bcd") -> "abcde" + 1.
|
|
|
|
define i8* @test_simplify3() {
|
|
; CHECK-LABEL: @test_simplify3(
|
|
%str = getelementptr inbounds [6 x i8]* @.str2, i32 0, i32 0
|
|
%pat = getelementptr inbounds [4 x i8]* @.str3, i32 0, i32 0
|
|
%ret = call i8* @strstr(i8* %str, i8* %pat)
|
|
ret i8* %ret
|
|
; CHECK-NEXT: getelementptr inbounds ([6 x i8]* @.str2, i64 0, i64 1)
|
|
}
|
|
|
|
; Check strstr(str, str) -> str.
|
|
|
|
define i8* @test_simplify4(i8* %str) {
|
|
; CHECK-LABEL: @test_simplify4(
|
|
%ret = call i8* @strstr(i8* %str, i8* %str)
|
|
ret i8* %ret
|
|
; CHECK-NEXT: ret i8* %str
|
|
}
|
|
|
|
; Check strstr(str, pat) == str -> strncmp(str, pat, strlen(str)) == 0.
|
|
|
|
define i1 @test_simplify5(i8* %str, i8* %pat) {
|
|
; CHECK-LABEL: @test_simplify5(
|
|
%ret = call i8* @strstr(i8* %str, i8* %pat)
|
|
%cmp = icmp eq i8* %ret, %str
|
|
ret i1 %cmp
|
|
; CHECK: [[LEN:%[a-z]+]] = call {{i[0-9]+}} @strlen(i8* %pat)
|
|
; CHECK: [[NCMP:%[a-z]+]] = call {{i[0-9]+}} @strncmp(i8* %str, i8* %pat, {{i[0-9]+}} [[LEN]])
|
|
; CHECK: icmp eq {{i[0-9]+}} [[NCMP]], 0
|
|
; CHECK: ret i1
|
|
}
|