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cf082ae903
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
56 lines
2.0 KiB
LLVM
56 lines
2.0 KiB
LLVM
; RUN: opt -S -loop-vectorize -force-vector-unroll=1 -force-vector-width=4 -dce -instcombine < %s | FileCheck %s
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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"
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target triple = "x86_64-apple-macosx10.8.0"
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@uf = common global [100 x i32] zeroinitializer, align 16
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@xi = common global [100 x i32] zeroinitializer, align 16
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@q = common global [100 x i32] zeroinitializer, align 16
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; PR16455
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; Due to a bug in the way we handled reverse induction stores we would generate
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; a shuffle too many.
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define void @t() {
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entry:
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br label %for.body
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; CHECK-LABEL: @t(
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; CHECK: vector.body:
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; CHECK: load <4 x i32>
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; CHECK: [[VAR1:%[a-zA-Z0-9]+]] = shufflevector
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; CHECK: load <4 x i32>
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; CHECK: [[VAR2:%[a-zA-Z0-9]+]] = shufflevector
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; CHECK: [[VAR3:%[a-zA-Z0-9]+]] = add nsw <4 x i32> [[VAR2]], [[VAR1]]
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; CHECK: [[VAR4:%[a-zA-Z0-9]+]] = shufflevector <4 x i32> [[VAR3]]
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; CHECK: store <4 x i32> [[VAR4]]
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; CHECK: load <4 x i32>
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; CHECK: [[VAR5:%[a-zA-Z0-9]+]] = shufflevector
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; CHECK-NOT: add nsw <4 x i32> [[VAR4]], [[VAR5]]
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; CHECK-NOT: add nsw <4 x i32> [[VAR5]], [[VAR4]]
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; CHECK: add nsw <4 x i32> [[VAR3]], [[VAR5]]
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for.body:
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%indvars.iv = phi i64 [ 93, %entry ], [ %indvars.iv.next, %for.body ]
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%0 = add i64 %indvars.iv, 1
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%arrayidx = getelementptr inbounds [100 x i32]* @uf, i64 0, i64 %0
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%arrayidx3 = getelementptr inbounds [100 x i32]* @xi, i64 0, i64 %0
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%1 = load i32* %arrayidx3, align 4
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%2 = load i32* %arrayidx, align 4
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%add4 = add nsw i32 %2, %1
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store i32 %add4, i32* %arrayidx, align 4
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%arrayidx7 = getelementptr inbounds [100 x i32]* @q, i64 0, i64 %0
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%3 = load i32* %arrayidx7, align 4
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%add8 = add nsw i32 %add4, %3
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store i32 %add8, i32* %arrayidx, align 4
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%indvars.iv.next = add i64 %indvars.iv, -1
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%4 = trunc i64 %indvars.iv.next to i32
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%cmp = icmp ugt i32 %4, 2
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br i1 %cmp, label %for.body, label %for.end
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for.end:
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ret void
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}
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