4b5018d231
Need to track changes with the repeated reduced value, since it might be vectorized in the next attempt for reduction vectorization, to correctly generate the code and avoid compiler crash. Fixes #111887
38 lines
1.8 KiB
LLVM
38 lines
1.8 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 -mtriple=riscv64-unknown-linux-gnu -mattr=+v < %s | FileCheck %s
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define void @test() {
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; CHECK-LABEL: define void @test(
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; CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: [[TMP0:%.*]] = call <4 x i16> @llvm.experimental.vp.strided.load.v4i16.p0.i64(ptr align 2 null, i64 6, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, i32 4)
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; CHECK-NEXT: [[TMP1:%.*]] = load i16, ptr null, align 2
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; CHECK-NEXT: [[TMP2:%.*]] = xor <4 x i16> [[TMP0]], zeroinitializer
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; CHECK-NEXT: [[TMP3:%.*]] = call i16 @llvm.vector.reduce.smax.v4i16(<4 x i16> [[TMP2]])
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; CHECK-NEXT: [[TMP4:%.*]] = call i16 @llvm.smax.i16(i16 [[TMP1]], i16 [[TMP3]])
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; CHECK-NEXT: [[TMP5:%.*]] = call i16 @llvm.smax.i16(i16 [[TMP4]], i16 0)
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; CHECK-NEXT: [[TMP6:%.*]] = tail call i16 @llvm.smax.i16(i16 [[TMP5]], i16 0)
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; CHECK-NEXT: ret void
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;
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entry:
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%0 = load i16, ptr null, align 2
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%1 = xor i16 %0, 0
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%2 = tail call i16 @llvm.smax.i16(i16 %1, i16 %0)
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%3 = tail call i16 @llvm.smax.i16(i16 0, i16 %2)
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%4 = load i16, ptr getelementptr inbounds (i8, ptr null, i64 6), align 2
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%5 = xor i16 %4, 0
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%6 = tail call i16 @llvm.smax.i16(i16 %5, i16 %0)
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%7 = tail call i16 @llvm.smax.i16(i16 %3, i16 %6)
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%8 = load i16, ptr getelementptr (i8, ptr null, i64 12), align 2
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%9 = xor i16 %8, 0
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%10 = tail call i16 @llvm.smax.i16(i16 %9, i16 %0)
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%11 = tail call i16 @llvm.smax.i16(i16 %7, i16 %10)
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%12 = load i16, ptr getelementptr (i8, ptr null, i64 18), align 2
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%13 = xor i16 %12, 0
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%14 = tail call i16 @llvm.smax.i16(i16 %13, i16 %0)
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%15 = tail call i16 @llvm.smax.i16(i16 %11, i16 %14)
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%16 = tail call i16 @llvm.smax.i16(i16 %15, i16 0)
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ret void
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}
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