24a043a6ff
When the shuffle masks are `PoisonMaskElem`, there is not need to check the cost of `SK_ExtractSubvector`. It is free. Otherwise, it will cause the compiler to crash. Assertion `(Idx + EltsPerVector) <= alignTo(NumElts, EltsPerVector) && "SK_ExtractSubvector index out of range"' failed.
32 lines
1.4 KiB
LLVM
32 lines
1.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
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; RUN: opt -S --passes=slp-vectorizer < %s | FileCheck %s
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define void @test(i8 %0, i8 %1) {
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; CHECK-LABEL: define void @test(
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; CHECK-SAME: i8 [[TMP0:%.*]], i8 [[TMP1:%.*]]) {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: [[L:%.*]] = load <4 x i8>, ptr getelementptr (i8, ptr null, i32 8), align 1
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; CHECK-NEXT: [[LI15:%.*]] = extractelement <4 x i8> [[L]], i64 15
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; CHECK-NEXT: [[TMP2:%.*]] = insertelement <4 x i8> poison, i8 [[TMP0]], i32 0
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; CHECK-NEXT: [[TMP3:%.*]] = insertelement <4 x i8> [[TMP2]], i8 [[TMP1]], i32 1
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; CHECK-NEXT: [[TMP4:%.*]] = insertelement <4 x i8> [[TMP3]], i8 [[LI15]], i32 3
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; CHECK-NEXT: [[TMP5:%.*]] = shufflevector <4 x i8> [[TMP4]], <4 x i8> poison, <4 x i32> <i32 0, i32 1, i32 0, i32 3>
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; CHECK-NEXT: [[TMP6:%.*]] = icmp ne <4 x i8> [[TMP5]], zeroinitializer
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; CHECK-NEXT: ret void
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;
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entry:
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%l = load <4 x i8>, ptr getelementptr (i8, ptr null, i32 8), align 1
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%li15 = extractelement <4 x i8> %l, i64 15
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%2 = icmp ne i8 %0, 0
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%3 = icmp ne i8 %1, 0
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%4 = icmp ne i8 %0, 0
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%.i15 = icmp ne i8 %li15, 0
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%i0244 = insertelement <4 x i1> zeroinitializer, i1 %2, i64 0
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%i1245 = insertelement <4 x i1> %i0244, i1 %3, i64 1
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%i2246 = insertelement <4 x i1> %i1245, i1 %4, i64 2
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%14 = insertelement <4 x i1> %i2246, i1 %.i15, i64 3
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ret void
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}
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