llvm-6502/test/Transforms/GlobalOpt/zeroinitializer-gep-load.ll

; RUN: opt < %s -S -globalopt | FileCheck %s

@zero = internal global [10 x i32] zeroinitializer

define i32 @test1(i64 %idx) nounwind {
  %arrayidx = getelementptr inbounds [10 x i32]* @zero, i64 0, i64 %idx
  %l = load i32* %arrayidx
  ret i32 %l
; CHECK-LABEL: @test1(
; CHECK: ret i32 0
}
GlobalOpt: If we have an inbounds GEP from a ConstantAggregateZero global that we just determined to be constant, replace all loads from it with a zero value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153576 91177308-0d34-0410-b5e6-96231b3b80d8 2012-03-28 14:50:09 +00:00			`; RUN: opt < %s -S -globalopt \| FileCheck %s`

			`@zero = internal global [10 x i32] zeroinitializer`

			`define i32 @test1(i64 %idx) nounwind {`
			`%arrayidx = getelementptr inbounds [10 x i32]* @zero, i64 0, i64 %idx`
			`%l = load i32* %arrayidx`
			`ret i32 %l`
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: @test1(`
GlobalOpt: If we have an inbounds GEP from a ConstantAggregateZero global that we just determined to be constant, replace all loads from it with a zero value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153576 91177308-0d34-0410-b5e6-96231b3b80d8 2012-03-28 14:50:09 +00:00			`; CHECK: ret i32 0`
			`}`