158 lines
7.9 KiB
LLVM
158 lines
7.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -basic-aa -slp-vectorizer -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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; int foo(int * restrict B, int * restrict A, int n, int m) {
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; B[0] = n * A[0] + m * A[0];
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; B[1] = n * A[1] + m * A[1];
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; B[2] = n * A[2] + m * A[2];
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; B[3] = n * A[3] + m * A[3];
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; return 0;
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; }
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define i32 @foo(i32* noalias nocapture %B, i32* noalias nocapture %A, i32 %n, i32 %m) #0 {
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; CHECK-LABEL: @foo(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[MUL238:%.*]] = add i32 [[M:%.*]], [[N:%.*]]
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; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 1
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; CHECK-NEXT: [[ARRAYIDX9:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 1
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; CHECK-NEXT: [[ARRAYIDX10:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 2
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; CHECK-NEXT: [[ARRAYIDX15:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 2
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; CHECK-NEXT: [[ARRAYIDX16:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 3
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; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[A]] to <4 x i32>*
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; CHECK-NEXT: [[TMP1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP0]], align 4
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; CHECK-NEXT: [[TMP2:%.*]] = insertelement <4 x i32> poison, i32 [[MUL238]], i32 0
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; CHECK-NEXT: [[TMP3:%.*]] = insertelement <4 x i32> [[TMP2]], i32 [[MUL238]], i32 1
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; CHECK-NEXT: [[TMP4:%.*]] = insertelement <4 x i32> [[TMP3]], i32 [[MUL238]], i32 2
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; CHECK-NEXT: [[TMP5:%.*]] = insertelement <4 x i32> [[TMP4]], i32 [[MUL238]], i32 3
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; CHECK-NEXT: [[TMP6:%.*]] = mul <4 x i32> [[TMP1]], [[TMP5]]
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; CHECK-NEXT: [[ARRAYIDX21:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 3
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; CHECK-NEXT: [[TMP7:%.*]] = bitcast i32* [[B]] to <4 x i32>*
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; CHECK-NEXT: store <4 x i32> [[TMP6]], <4 x i32>* [[TMP7]], align 4
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; CHECK-NEXT: ret i32 0
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;
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entry:
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%0 = load i32, i32* %A, align 4
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%mul238 = add i32 %m, %n
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%add = mul i32 %0, %mul238
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store i32 %add, i32* %B, align 4
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%arrayidx4 = getelementptr inbounds i32, i32* %A, i64 1
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%1 = load i32, i32* %arrayidx4, align 4
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%add8 = mul i32 %1, %mul238
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%arrayidx9 = getelementptr inbounds i32, i32* %B, i64 1
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store i32 %add8, i32* %arrayidx9, align 4
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%arrayidx10 = getelementptr inbounds i32, i32* %A, i64 2
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%2 = load i32, i32* %arrayidx10, align 4
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%add14 = mul i32 %2, %mul238
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%arrayidx15 = getelementptr inbounds i32, i32* %B, i64 2
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store i32 %add14, i32* %arrayidx15, align 4
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%arrayidx16 = getelementptr inbounds i32, i32* %A, i64 3
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%3 = load i32, i32* %arrayidx16, align 4
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%add20 = mul i32 %3, %mul238
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%arrayidx21 = getelementptr inbounds i32, i32* %B, i64 3
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store i32 %add20, i32* %arrayidx21, align 4
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ret i32 0
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}
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; int extr_user(int * restrict B, int * restrict A, int n, int m) {
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; B[0] = n * A[0] + m * A[0];
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; B[1] = n * A[1] + m * A[1];
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; B[2] = n * A[2] + m * A[2];
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; B[3] = n * A[3] + m * A[3];
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; return A[0];
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; }
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define i32 @extr_user(i32* noalias nocapture %B, i32* noalias nocapture %A, i32 %n, i32 %m) {
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; CHECK-LABEL: @extr_user(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[MUL238:%.*]] = add i32 [[M:%.*]], [[N:%.*]]
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; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 1
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; CHECK-NEXT: [[ARRAYIDX9:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 1
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; CHECK-NEXT: [[ARRAYIDX10:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 2
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; CHECK-NEXT: [[ARRAYIDX15:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 2
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; CHECK-NEXT: [[ARRAYIDX16:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 3
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; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[A]] to <4 x i32>*
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; CHECK-NEXT: [[TMP1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP0]], align 4
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; CHECK-NEXT: [[TMP2:%.*]] = insertelement <4 x i32> poison, i32 [[MUL238]], i32 0
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; CHECK-NEXT: [[TMP3:%.*]] = insertelement <4 x i32> [[TMP2]], i32 [[MUL238]], i32 1
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; CHECK-NEXT: [[TMP4:%.*]] = insertelement <4 x i32> [[TMP3]], i32 [[MUL238]], i32 2
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; CHECK-NEXT: [[TMP5:%.*]] = insertelement <4 x i32> [[TMP4]], i32 [[MUL238]], i32 3
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; CHECK-NEXT: [[TMP6:%.*]] = mul <4 x i32> [[TMP1]], [[TMP5]]
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; CHECK-NEXT: [[ARRAYIDX21:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 3
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; CHECK-NEXT: [[TMP7:%.*]] = bitcast i32* [[B]] to <4 x i32>*
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; CHECK-NEXT: store <4 x i32> [[TMP6]], <4 x i32>* [[TMP7]], align 4
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; CHECK-NEXT: [[TMP8:%.*]] = extractelement <4 x i32> [[TMP1]], i32 0
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; CHECK-NEXT: ret i32 [[TMP8]]
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;
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entry:
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%0 = load i32, i32* %A, align 4
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%mul238 = add i32 %m, %n
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%add = mul i32 %0, %mul238
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store i32 %add, i32* %B, align 4
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%arrayidx4 = getelementptr inbounds i32, i32* %A, i64 1
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%1 = load i32, i32* %arrayidx4, align 4
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%add8 = mul i32 %1, %mul238
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%arrayidx9 = getelementptr inbounds i32, i32* %B, i64 1
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store i32 %add8, i32* %arrayidx9, align 4
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%arrayidx10 = getelementptr inbounds i32, i32* %A, i64 2
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%2 = load i32, i32* %arrayidx10, align 4
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%add14 = mul i32 %2, %mul238
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%arrayidx15 = getelementptr inbounds i32, i32* %B, i64 2
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store i32 %add14, i32* %arrayidx15, align 4
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%arrayidx16 = getelementptr inbounds i32, i32* %A, i64 3
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%3 = load i32, i32* %arrayidx16, align 4
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%add20 = mul i32 %3, %mul238
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%arrayidx21 = getelementptr inbounds i32, i32* %B, i64 3
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store i32 %add20, i32* %arrayidx21, align 4
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ret i32 %0 ;<--------- This value has multiple users
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}
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; In this example we have an external user that is not the first element in the vector.
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define i32 @extr_user1(i32* noalias nocapture %B, i32* noalias nocapture %A, i32 %n, i32 %m) {
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; CHECK-LABEL: @extr_user1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[MUL238:%.*]] = add i32 [[M:%.*]], [[N:%.*]]
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; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 1
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; CHECK-NEXT: [[ARRAYIDX9:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 1
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; CHECK-NEXT: [[ARRAYIDX10:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 2
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; CHECK-NEXT: [[ARRAYIDX15:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 2
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; CHECK-NEXT: [[ARRAYIDX16:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 3
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; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[A]] to <4 x i32>*
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; CHECK-NEXT: [[TMP1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP0]], align 4
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; CHECK-NEXT: [[TMP2:%.*]] = insertelement <4 x i32> poison, i32 [[MUL238]], i32 0
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; CHECK-NEXT: [[TMP3:%.*]] = insertelement <4 x i32> [[TMP2]], i32 [[MUL238]], i32 1
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; CHECK-NEXT: [[TMP4:%.*]] = insertelement <4 x i32> [[TMP3]], i32 [[MUL238]], i32 2
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; CHECK-NEXT: [[TMP5:%.*]] = insertelement <4 x i32> [[TMP4]], i32 [[MUL238]], i32 3
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; CHECK-NEXT: [[TMP6:%.*]] = mul <4 x i32> [[TMP1]], [[TMP5]]
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; CHECK-NEXT: [[ARRAYIDX21:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 3
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; CHECK-NEXT: [[TMP7:%.*]] = bitcast i32* [[B]] to <4 x i32>*
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; CHECK-NEXT: store <4 x i32> [[TMP6]], <4 x i32>* [[TMP7]], align 4
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; CHECK-NEXT: [[TMP8:%.*]] = extractelement <4 x i32> [[TMP1]], i32 1
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; CHECK-NEXT: ret i32 [[TMP8]]
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;
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entry:
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%0 = load i32, i32* %A, align 4
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%mul238 = add i32 %m, %n
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%add = mul i32 %0, %mul238
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store i32 %add, i32* %B, align 4
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%arrayidx4 = getelementptr inbounds i32, i32* %A, i64 1
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%1 = load i32, i32* %arrayidx4, align 4
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%add8 = mul i32 %1, %mul238
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%arrayidx9 = getelementptr inbounds i32, i32* %B, i64 1
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store i32 %add8, i32* %arrayidx9, align 4
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%arrayidx10 = getelementptr inbounds i32, i32* %A, i64 2
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%2 = load i32, i32* %arrayidx10, align 4
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%add14 = mul i32 %2, %mul238
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%arrayidx15 = getelementptr inbounds i32, i32* %B, i64 2
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store i32 %add14, i32* %arrayidx15, align 4
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%arrayidx16 = getelementptr inbounds i32, i32* %A, i64 3
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%3 = load i32, i32* %arrayidx16, align 4
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%add20 = mul i32 %3, %mul238
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%arrayidx21 = getelementptr inbounds i32, i32* %B, i64 3
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store i32 %add20, i32* %arrayidx21, align 4
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ret i32 %1 ;<--------- This value has multiple users
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}
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