74 lines
3.5 KiB
LLVM
74 lines
3.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -interleaved-access -S %s | FileCheck %s
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target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.15.0"
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; No interleaved load instruction is generated, but the shuffle is moved just
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; after the load.
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define <2 x double> @shuffle_binop_fol(<4 x double>* %ptr) {
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; CHECK-LABEL: @shuffle_binop_fol(
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; CHECK-NEXT: vector.body.preheader:
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; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x double>, <4 x double>* [[PTR:%.*]], align 8
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; CHECK-NEXT: [[EXTRACTED1:%.*]] = shufflevector <4 x double> [[WIDE_LOAD]], <4 x double> poison, <2 x i32> <i32 0, i32 2>
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; CHECK-NEXT: [[EXTRACTED2:%.*]] = shufflevector <4 x double> <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00>, <4 x double> poison, <2 x i32> <i32 0, i32 2>
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; CHECK-NEXT: [[FADD3:%.*]] = fadd <2 x double> [[EXTRACTED1]], [[EXTRACTED2]]
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; CHECK-NEXT: ret <2 x double> [[FADD3]]
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;
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vector.body.preheader:
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%wide.load = load <4 x double>, <4 x double>* %ptr, align 8
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%fadd = fadd <4 x double> %wide.load, <double 1.0, double 1.0, double 1.0, double 1.0>
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%extracted = shufflevector <4 x double> %fadd, <4 x double> undef, <2 x i32> <i32 0, i32 2>
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ret <2 x double> %extracted
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}
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define <2 x double> @shuffle_binop_fol_oob(<4 x double>* %ptr) {
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; CHECK-LABEL: @shuffle_binop_fol_oob(
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; CHECK-NEXT: vector.body.preheader:
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; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x double>, <4 x double>* [[PTR:%.*]], align 8
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; CHECK-NEXT: [[FADD:%.*]] = fadd <4 x double> [[WIDE_LOAD]], <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00>
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; CHECK-NEXT: [[EXTRACTED:%.*]] = shufflevector <4 x double> [[FADD]], <4 x double> undef, <2 x i32> <i32 0, i32 4>
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; CHECK-NEXT: ret <2 x double> [[EXTRACTED]]
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;
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vector.body.preheader:
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%wide.load = load <4 x double>, <4 x double>* %ptr, align 8
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%fadd = fadd <4 x double> %wide.load, <double 1.0, double 1.0, double 1.0, double 1.0>
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%extracted = shufflevector <4 x double> %fadd, <4 x double> undef, <2 x i32> <i32 0, i32 4>
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ret <2 x double> %extracted
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}
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; No interleaved load instruction is generated, but the extractelement
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; instructions are updated to use the shuffle instead of the load.
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define void @shuffle_extract(<4 x double>* %ptr, i1 %c) {
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; CHECK-LABEL: @shuffle_extract(
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; CHECK-NEXT: vector.body.preheader:
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; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x double>, <4 x double>* [[PTR:%.*]], align 8
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; CHECK-NEXT: [[EXTRACTED:%.*]] = shufflevector <4 x double> [[WIDE_LOAD]], <4 x double> undef, <2 x i32> <i32 0, i32 2>
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; CHECK-NEXT: br i1 [[C:%.*]], label [[IF_THEN:%.*]], label [[IF_MERGE:%.*]]
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; CHECK: if.then:
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; CHECK-NEXT: [[TMP0:%.*]] = extractelement <2 x double> [[EXTRACTED]], i64 0
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; CHECK-NEXT: call void @use(double [[TMP0]])
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; CHECK-NEXT: br label [[IF_MERGE]]
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; CHECK: if.merge:
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; CHECK-NEXT: [[TMP1:%.*]] = extractelement <2 x double> [[EXTRACTED]], i64 1
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; CHECK-NEXT: call void @use(double [[TMP1]])
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; CHECK-NEXT: ret void
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;
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vector.body.preheader:
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%wide.load = load <4 x double>, <4 x double>* %ptr, align 8
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%extracted = shufflevector <4 x double> %wide.load, <4 x double> undef, <2 x i32> <i32 0, i32 2>
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br i1 %c, label %if.then, label %if.merge
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if.then:
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%e0 = extractelement <4 x double> %wide.load, i32 0
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call void @use(double %e0)
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br label %if.merge
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if.merge:
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%e1 = extractelement <4 x double> %wide.load, i32 2
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call void @use(double %e1)
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ret void
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}
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declare void @use(double)
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