91 lines
4.2 KiB
LLVM
91 lines
4.2 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -basic-aa -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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; SLP vectorization example from http://cs.stanford.edu/people/eschkufz/research/asplos291-schkufza.pdf
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define void @SAXPY(i32* noalias nocapture %x, i32* noalias nocapture %y, i32 %a, i64 %i) {
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; CHECK-LABEL: @SAXPY(
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; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, i32* [[X:%.*]], i64 [[I:%.*]]
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; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[Y:%.*]], i64 [[I]]
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; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP1]] to <4 x i32>*
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; CHECK-NEXT: [[TMP4:%.*]] = load <4 x i32>, <4 x i32>* [[TMP3]], align 4
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; CHECK-NEXT: [[TMP5:%.*]] = insertelement <4 x i32> poison, i32 [[A:%.*]], i32 0
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; CHECK-NEXT: [[TMP6:%.*]] = insertelement <4 x i32> [[TMP5]], i32 [[A]], i32 1
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; CHECK-NEXT: [[TMP7:%.*]] = insertelement <4 x i32> [[TMP6]], i32 [[A]], i32 2
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; CHECK-NEXT: [[TMP8:%.*]] = insertelement <4 x i32> [[TMP7]], i32 [[A]], i32 3
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; CHECK-NEXT: [[TMP9:%.*]] = mul nsw <4 x i32> [[TMP4]], [[TMP8]]
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; CHECK-NEXT: [[TMP10:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>*
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; CHECK-NEXT: [[TMP11:%.*]] = load <4 x i32>, <4 x i32>* [[TMP10]], align 4
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; CHECK-NEXT: [[TMP12:%.*]] = add nsw <4 x i32> [[TMP9]], [[TMP11]]
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; CHECK-NEXT: [[TMP13:%.*]] = bitcast i32* [[TMP1]] to <4 x i32>*
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; CHECK-NEXT: store <4 x i32> [[TMP12]], <4 x i32>* [[TMP13]], align 4
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; CHECK-NEXT: ret void
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;
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%1 = getelementptr inbounds i32, i32* %x, i64 %i
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%2 = load i32, i32* %1, align 4
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%3 = mul nsw i32 %2, %a
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%4 = getelementptr inbounds i32, i32* %y, i64 %i
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%5 = load i32, i32* %4, align 4
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%6 = add nsw i32 %3, %5
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store i32 %6, i32* %1, align 4
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%7 = add i64 %i, 1
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%8 = getelementptr inbounds i32, i32* %x, i64 %7
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%9 = load i32, i32* %8, align 4
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%10 = mul nsw i32 %9, %a
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%11 = getelementptr inbounds i32, i32* %y, i64 %7
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%12 = load i32, i32* %11, align 4
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%13 = add nsw i32 %10, %12
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store i32 %13, i32* %8, align 4
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%14 = add i64 %i, 2
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%15 = getelementptr inbounds i32, i32* %x, i64 %14
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%16 = load i32, i32* %15, align 4
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%17 = mul nsw i32 %16, %a
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%18 = getelementptr inbounds i32, i32* %y, i64 %14
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%19 = load i32, i32* %18, align 4
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%20 = add nsw i32 %17, %19
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store i32 %20, i32* %15, align 4
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%21 = add i64 %i, 3
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%22 = getelementptr inbounds i32, i32* %x, i64 %21
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%23 = load i32, i32* %22, align 4
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%24 = mul nsw i32 %23, %a
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%25 = getelementptr inbounds i32, i32* %y, i64 %21
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%26 = load i32, i32* %25, align 4
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%27 = add nsw i32 %24, %26
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store i32 %27, i32* %22, align 4
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ret void
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}
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; Make sure we don't crash on this one.
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define void @SAXPY_crash(i32* noalias nocapture %x, i32* noalias nocapture %y, i64 %i) {
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; CHECK-LABEL: @SAXPY_crash(
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; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[I:%.*]], 1
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; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[X:%.*]], i64 [[TMP1]]
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; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[Y:%.*]], i64 [[TMP1]]
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; CHECK-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP3]], align 4
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; CHECK-NEXT: [[TMP5:%.*]] = add nsw i32 undef, [[TMP4]]
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; CHECK-NEXT: store i32 [[TMP5]], i32* [[TMP2]], align 4
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; CHECK-NEXT: [[TMP6:%.*]] = add i64 [[I]], 2
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; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 [[TMP6]]
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; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i32, i32* [[Y]], i64 [[TMP6]]
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; CHECK-NEXT: [[TMP9:%.*]] = load i32, i32* [[TMP8]], align 4
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; CHECK-NEXT: [[TMP10:%.*]] = add nsw i32 undef, [[TMP9]]
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; CHECK-NEXT: store i32 [[TMP10]], i32* [[TMP7]], align 4
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; CHECK-NEXT: ret void
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;
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%1 = add i64 %i, 1
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%2 = getelementptr inbounds i32, i32* %x, i64 %1
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%3 = getelementptr inbounds i32, i32* %y, i64 %1
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%4 = load i32, i32* %3, align 4
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%5 = add nsw i32 undef, %4
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store i32 %5, i32* %2, align 4
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%6 = add i64 %i, 2
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%7 = getelementptr inbounds i32, i32* %x, i64 %6
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%8 = getelementptr inbounds i32, i32* %y, i64 %6
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%9 = load i32, i32* %8, align 4
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%10 = add nsw i32 undef, %9
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store i32 %10, i32* %7, align 4
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ret void
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}
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