llvm-mirror/test/Transforms/InstCombine/strncpy_chk-2.ll

; Test that lib call simplification doesn't simplify __strncpy_chk calls
; with the wrong prototype.
;
; 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 i16] zeroinitializer, align 1
@b = common global [60 x i16] zeroinitializer, align 1

define void @test_no_simplify() {
; CHECK-LABEL: @test_no_simplify(
  %dst = getelementptr inbounds [60 x i16]* @a, i32 0, i32 0
  %src = getelementptr inbounds [60 x i16]* @b, i32 0, i32 0

; CHECK-NEXT: call i16* @__strncpy_chk
  call i16* @__strncpy_chk(i16* %dst, i16* %src, i32 60, i32 60)
  ret void
}

declare i16* @__strncpy_chk(i16*, i16*, i32, i32)
instcombine: Add more test cases for __strncpy_chk simplification llvm-svn: 164800 2012-09-27 23:21:31 +02:00			`; Test that lib call simplification doesn't simplify __strncpy_chk calls`
			`; with the wrong prototype.`
			`;`
			`; 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 i16] zeroinitializer, align 1`
			`@b = common global [60 x i16] zeroinitializer, align 1`

			`define void @test_no_simplify() {`
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 llvm-svn: 186268 2013-07-14 03:42:54 +02:00			`; CHECK-LABEL: @test_no_simplify(`
instcombine: Add more test cases for __strncpy_chk simplification llvm-svn: 164800 2012-09-27 23:21:31 +02:00			`%dst = getelementptr inbounds [60 x i16]* @a, i32 0, i32 0`
			`%src = getelementptr inbounds [60 x i16]* @b, i32 0, i32 0`

			`; CHECK-NEXT: call i16* @__strncpy_chk`
			`call i16* @__strncpy_chk(i16* %dst, i16* %src, i32 60, i32 60)`
			`ret void`
			`}`

			`declare i16* @__strncpy_chk(i16, i16, i32, i32)`