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llvm-project/llvm/test/CodeGen/ARM/undef-sext.ll

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Minor optimization. sign-ext/anyext of undef is still undef. llvm-svn: 127598
2011-03-15 02:15:55 +08:00
; RUN: llc < %s -mtriple=armv7-apple-darwin -mcpu=cortex-a8 | FileCheck %s
; No need to sign-extend undef.
define i32 @t(i32* %a) nounwind {
entry:
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc.*debug" $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 sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP mv $TEMP $NAME fi done llvm-svn: 186280
2013-07-14 14:24:09 +08:00
; CHECK-LABEL: t:
Minor optimization. sign-ext/anyext of undef is still undef. llvm-svn: 127598
2011-03-15 02:15:55 +08:00
; CHECK: ldr r0, [r0]
; CHECK: bx lr
%0 = sext i16 undef to i32
%1 = getelementptr inbounds i32* %a, i32 %0
%2 = load i32* %1, align 4
ret i32 %2
}