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llvm-6502/test/Transforms/InstCombine/strncpy_chk-1.ll

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instcombine: Add more test cases for __strncpy_chk simplification git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164800 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27 21:21:31 +00:00
; Test lib call simplification of __strncpy_chk calls with various values
; for len and dstlen.
;
; 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
instcombine: Migrate strncpy optimizations This patch migrates the strncpy optimizations from the simplify-libcalls pass into the instcombine library call simplifier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167102 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-31 03:33:00 +00:00
@.str = private constant [12 x i8] c"abcdefghijk\00"
instcombine: Add more test cases for __strncpy_chk simplification git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164800 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27 21:21:31 +00:00
; Check cases where dstlen >= len
define void @test_simplify1() {
Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change. 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 $NAME fi done git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186268 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-14 01:42:54 +00:00
; CHECK-LABEL: @test_simplify1(
instcombine: Add more test cases for __strncpy_chk simplification git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164800 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27 21:21:31 +00:00
%dst = getelementptr inbounds [60 x i8]* @a, i32 0, i32 0
instcombine: Migrate strncpy optimizations This patch migrates the strncpy optimizations from the simplify-libcalls pass into the instcombine library call simplifier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167102 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-31 03:33:00 +00:00
%src = getelementptr inbounds [12 x i8]* @.str, i32 0, i32 0
instcombine: Add more test cases for __strncpy_chk simplification git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164800 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27 21:21:31 +00:00
instcombine: Migrate strncpy optimizations This patch migrates the strncpy optimizations from the simplify-libcalls pass into the instcombine library call simplifier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167102 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-31 03:33:00 +00:00
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32
call i8* @__strncpy_chk(i8* %dst, i8* %src, i32 12, i32 60)
instcombine: Add more test cases for __strncpy_chk simplification git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164800 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27 21:21:31 +00:00
ret void
}
define void @test_simplify2() {
Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change. This update was done with the following bash script: find test/Transforms -name "*.ll" | \ while read NAME; do echo "$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 $NAME fi done git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186268 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-14 01:42:54 +00:00
; CHECK-LABEL: @test_simplify2(
instcombine: Add more test cases for __strncpy_chk simplification git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164800 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27 21:21:31 +00:00
%dst = getelementptr inbounds [60 x i8]* @a, i32 0, i32 0
instcombine: Migrate strncpy optimizations This patch migrates the strncpy optimizations from the simplify-libcalls pass into the instcombine library call simplifier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167102 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-31 03:33:00 +00:00
%src = getelementptr inbounds [12 x i8]* @.str, i32 0, i32 0
instcombine: Add more test cases for __strncpy_chk simplification git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164800 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27 21:21:31 +00:00
instcombine: Migrate strncpy optimizations This patch migrates the strncpy optimizations from the simplify-libcalls pass into the instcombine library call simplifier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167102 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-31 03:33:00 +00:00
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32
call i8* @__strncpy_chk(i8* %dst, i8* %src, i32 12, i32 12)
instcombine: Add more test cases for __strncpy_chk simplification git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164800 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27 21:21:31 +00:00
ret void
}
define void @test_simplify3() {
Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change. This update was done with the following bash script: find test/Transforms -name "*.ll" | \ while read NAME; do echo "$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 $NAME fi done git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186268 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-14 01:42:54 +00:00
; CHECK-LABEL: @test_simplify3(
instcombine: Add more test cases for __strncpy_chk simplification git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164800 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27 21:21:31 +00:00
%dst = getelementptr inbounds [60 x i8]* @a, i32 0, i32 0
%src = getelementptr inbounds [60 x i8]* @b, i32 0, i32 0
; CHECK-NEXT: call i8* @strncpy
instcombine: Migrate strncpy optimizations This patch migrates the strncpy optimizations from the simplify-libcalls pass into the instcombine library call simplifier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167102 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-31 03:33:00 +00:00
call i8* @__strncpy_chk(i8* %dst, i8* %src, i32 12, i32 60)
instcombine: Add more test cases for __strncpy_chk simplification git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164800 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27 21:21:31 +00:00
ret void
}
; Check cases where dstlen < len
define void @test_no_simplify1() {
Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change. This update was done with the following bash script: find test/Transforms -name "*.ll" | \ while read NAME; do echo "$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 $NAME fi done git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186268 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-14 01:42:54 +00:00
; CHECK-LABEL: @test_no_simplify1(
instcombine: Add more test cases for __strncpy_chk simplification git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164800 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27 21:21:31 +00:00
%dst = getelementptr inbounds [60 x i8]* @a, i32 0, i32 0
instcombine: Migrate strncpy optimizations This patch migrates the strncpy optimizations from the simplify-libcalls pass into the instcombine library call simplifier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167102 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-31 03:33:00 +00:00
%src = getelementptr inbounds [12 x i8]* @.str, i32 0, i32 0
instcombine: Add more test cases for __strncpy_chk simplification git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164800 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27 21:21:31 +00:00
; CHECK-NEXT: call i8* @__strncpy_chk
call i8* @__strncpy_chk(i8* %dst, i8* %src, i32 8, i32 4)
ret void
}
define void @test_no_simplify2() {
Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change. This update was done with the following bash script: find test/Transforms -name "*.ll" | \ while read NAME; do echo "$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
2013-07-14 01:42:54 +00:00
; CHECK-LABEL: @test_no_simplify2(
instcombine: Add more test cases for __strncpy_chk simplification git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164800 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27 21:21:31 +00:00
%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* @__strncpy_chk
call i8* @__strncpy_chk(i8* %dst, i8* %src, i32 8, i32 0)
ret void
}
declare i8* @__strncpy_chk(i8*, i8*, i32, i32)
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