93a9be0cea
Previously only the very first gather/buildvector node might be probed for reshuffling of other nodes. But the compiler may do the same for other gather/buildvector nodes too, just need to check the dependency and postpone the emission of the dependent nodes, if the origin nodes were not emitted yet. Part of D110978 Differential Revision: https://reviews.llvm.org/D144958
68 lines
2.7 KiB
LLVM
68 lines
2.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -passes=slp-vectorizer,dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | 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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define void @fextr(ptr %ptr) {
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; CHECK-LABEL: @fextr(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[LD:%.*]] = load <2 x double>, ptr undef, align 16
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; CHECK-NEXT: [[TMP0:%.*]] = fadd <2 x double> [[LD]], <double 0.000000e+00, double 1.100000e+00>
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; CHECK-NEXT: store <2 x double> [[TMP0]], ptr [[PTR:%.*]], align 4
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; CHECK-NEXT: ret void
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;
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entry:
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%LD = load <2 x double>, ptr undef
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%V0 = extractelement <2 x double> %LD, i32 0
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%V1 = extractelement <2 x double> %LD, i32 1
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%P1 = getelementptr inbounds double, ptr %ptr, i64 1
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%A0 = fadd double %V0, 0.0
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%A1 = fadd double %V1, 1.1
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store double %A0, ptr %ptr, align 4
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store double %A1, ptr %P1, align 4
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ret void
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}
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define void @fextr1(ptr %ptr) {
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; CHECK-LABEL: @fextr1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[LD:%.*]] = load <2 x double>, ptr undef, align 16
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; CHECK-NEXT: [[TMP0:%.*]] = fadd <2 x double> [[LD]], <double 1.200000e+00, double 3.400000e+00>
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; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <2 x double> [[TMP0]], <2 x double> poison, <2 x i32> <i32 1, i32 0>
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; CHECK-NEXT: store <2 x double> [[TMP1]], ptr [[PTR:%.*]], align 4
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; CHECK-NEXT: ret void
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;
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entry:
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%LD = load <2 x double>, ptr undef
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%V0 = extractelement <2 x double> %LD, i32 0
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%V1 = extractelement <2 x double> %LD, i32 1
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%P0 = getelementptr inbounds double, ptr %ptr, i64 1 ; <--- incorrect order
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%A0 = fadd double %V0, 1.2
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%A1 = fadd double %V1, 3.4
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store double %A0, ptr %P0, align 4
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store double %A1, ptr %ptr, align 4
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ret void
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}
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define void @fextr2(ptr %ptr) {
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; CHECK-LABEL: @fextr2(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[LD:%.*]] = load <4 x double>, ptr undef, align 32
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; CHECK-NEXT: [[TMP0:%.*]] = shufflevector <4 x double> [[LD]], <4 x double> poison, <2 x i32> <i32 0, i32 1>
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; CHECK-NEXT: [[TMP1:%.*]] = fadd <2 x double> [[TMP0]], <double 5.500000e+00, double 6.600000e+00>
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; CHECK-NEXT: store <2 x double> [[TMP1]], ptr [[PTR:%.*]], align 4
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; CHECK-NEXT: ret void
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;
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entry:
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%LD = load <4 x double>, ptr undef
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%V0 = extractelement <4 x double> %LD, i32 0 ; <--- invalid size.
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%V1 = extractelement <4 x double> %LD, i32 1
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%P1 = getelementptr inbounds double, ptr %ptr, i64 1
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%A0 = fadd double %V0, 5.5
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%A1 = fadd double %V1, 6.6
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store double %A0, ptr %ptr, align 4
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store double %A1, ptr %P1, align 4
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ret void
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}
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