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3460b4a127
This commit copies existing tests at llvm/Transforms containing 'shufflevector X, undef' and replaces them with 'shufflevector X, poison'. The new copied tests have *-inseltpoison.ll suffix at its file name (as db7a2f347f132b3920415013d62d1adfb18d8d58 did) See https://reviews.llvm.org/D93793 Test files listed using grep -R -E "^[^;]*shufflevector <.*> .*, <.*> undef" | cut -d":" -f1 | uniq Test files copied & updated using file_org=llvm/test/Transforms/$1 if [[ "$file_org" = *-inseltpoison.ll ]]; then file=$file_org else file=${file_org%.ll}-inseltpoison.ll if [ ! -f $file ]; then cp $file_org $file fi fi sed -i -E 's/^([^;]*)shufflevector <(.*)> (.*), <(.*)> undef/\1shufflevector <\2> \3, <\4> poison/g' $file head -1 $file | grep "Assertions have been autogenerated by utils/update_test_checks.py" -q if [ "$?" == 1 ]; then echo "$file : should be manually updated" # The test is manually updated exit 1 fi python3 ./llvm/utils/update_test_checks.py --opt-binary=./build-releaseassert/bin/opt $file
35 lines
1.6 KiB
LLVM
35 lines
1.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -instcombine -S | grep "insertelement <4 x float> poison"
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; Instcombine should be able to prove that none of the
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; insertelement's first operand's elements are needed.
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define internal void @""(i8*) {
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; <label>:1
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bitcast i8* %0 to i32* ; <i32*>:2 [#uses=1]
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load i32, i32* %2, align 1 ; <i32>:3 [#uses=1]
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getelementptr i8, i8* %0, i32 4 ; <i8*>:4 [#uses=1]
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bitcast i8* %4 to i32* ; <i32*>:5 [#uses=1]
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load i32, i32* %5, align 1 ; <i32>:6 [#uses=1]
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br label %7
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; <label>:7 ; preds = %9, %1
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%.01 = phi <4 x float> [ undef, %1 ], [ %12, %9 ] ; <<4 x float>> [#uses=1]
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%.0 = phi i32 [ %3, %1 ], [ %15, %9 ] ; <i32> [#uses=3]
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icmp slt i32 %.0, %6 ; <i1>:8 [#uses=1]
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br i1 %8, label %9, label %16
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; <label>:9 ; preds = %7
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sitofp i32 %.0 to float ; <float>:10 [#uses=1]
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insertelement <4 x float> %.01, float %10, i32 0 ; <<4 x float>>:11 [#uses=1]
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shufflevector <4 x float> %11, <4 x float> poison, <4 x i32> zeroinitializer ; <<4 x float>>:12 [#uses=2]
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getelementptr i8, i8* %0, i32 48 ; <i8*>:13 [#uses=1]
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bitcast i8* %13 to <4 x float>* ; <<4 x float>*>:14 [#uses=1]
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store <4 x float> %12, <4 x float>* %14, align 16
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add i32 %.0, 2 ; <i32>:15 [#uses=1]
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br label %7
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; <label>:16 ; preds = %7
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ret void
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}
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