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39f4e8d9cc
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
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186268 91177308-0d34-0410-b5e6-96231b3b80d8
37 lines
1.1 KiB
LLVM
37 lines
1.1 KiB
LLVM
; RUN: opt -S -loop-vectorize -force-vector-width=4 -force-vector-unroll=1 < %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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; We use to fail on this loop because we did not properly handle the loop
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; invariant instruction anchored in the loop when used as a getelementptr index.
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; We would use the index from the original loop resulting in a use not dominated
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; by the definition.
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; PR16452
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; Verify that we don't miscompile this loop.
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; CHECK-LABEL: @t(
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; CHECK: <4 x i32>
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define void @t() {
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entry:
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br label %for.body
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for.body:
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%indvars.iv17 = phi i64 [ %indvars.next, %for.body ], [ 128, %entry ]
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; Loop invariant anchored in loop.
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%idxprom21 = zext i32 undef to i64
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%arrayidx23 = getelementptr inbounds [100 x [100 x i32]]* undef, i64 0, i64 %idxprom21, i64 %indvars.iv17
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store i32 undef, i32* %arrayidx23, align 4
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%indvars.next= add i64 %indvars.iv17, -1
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%0 = trunc i64 %indvars.next to i32
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%cmp15 = icmp ugt i32 %0, undef
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br i1 %cmp15, label %for.body, label %loopexit
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loopexit:
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ret void
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}
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