diff options
Diffstat (limited to 'test/Transforms/SLPVectorizer/X86/diamond.ll')
| -rw-r--r-- | test/Transforms/SLPVectorizer/X86/diamond.ll | 47 |
1 files changed, 39 insertions, 8 deletions
diff --git a/test/Transforms/SLPVectorizer/X86/diamond.ll b/test/Transforms/SLPVectorizer/X86/diamond.ll index 8e85cb6c9b8f8..5135a92a7bdbd 100644 --- a/test/Transforms/SLPVectorizer/X86/diamond.ll +++ b/test/Transforms/SLPVectorizer/X86/diamond.ll @@ -1,4 +1,4 @@ -; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s +; RUN: opt < %s -basicaa -slp-vectorizer -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s 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" target triple = "x86_64-apple-macosx10.8.0" @@ -11,7 +11,7 @@ target triple = "x86_64-apple-macosx10.8.0" ; return 0; ; } -; CHECK: @foo +; CHECK-LABEL: @foo( ; CHECK: load <4 x i32> ; CHECK: mul <4 x i32> ; CHECK: store <4 x i32> @@ -41,7 +41,7 @@ entry: } -; int foo_fail(int * restrict B, int * restrict A, int n, int m) { +; int extr_user(int * restrict B, int * restrict A, int n, int m) { ; B[0] = n * A[0] + m * A[0]; ; B[1] = n * A[1] + m * A[1]; ; B[2] = n * A[2] + m * A[2]; @@ -49,10 +49,12 @@ entry: ; return A[0]; ; } -; CHECK: @foo_fail -; CHECK-NOT: load <4 x i32> -; CHECK: ret -define i32 @foo_fail(i32* noalias nocapture %B, i32* noalias nocapture %A, i32 %n, i32 %m) { +; CHECK-LABEL: @extr_user( +; CHECK: load <4 x i32> +; CHECK: store <4 x i32> +; CHECK: extractelement <4 x i32> +; CHECK-NEXT: ret +define i32 @extr_user(i32* noalias nocapture %B, i32* noalias nocapture %A, i32 %n, i32 %m) { entry: %0 = load i32* %A, align 4 %mul238 = add i32 %m, %n @@ -73,6 +75,35 @@ entry: %add20 = mul i32 %3, %mul238 %arrayidx21 = getelementptr inbounds i32* %B, i64 3 store i32 %add20, i32* %arrayidx21, align 4 - ret i32 %0 ;<--------- This value has multiple users and can't be vectorized. + ret i32 %0 ;<--------- This value has multiple users } +; In this example we have an external user that is not the first element in the vector. +; CHECK-LABEL: @extr_user1( +; CHECK: load <4 x i32> +; CHECK: store <4 x i32> +; CHECK: extractelement <4 x i32> +; CHECK-NEXT: ret +define i32 @extr_user1(i32* noalias nocapture %B, i32* noalias nocapture %A, i32 %n, i32 %m) { +entry: + %0 = load i32* %A, align 4 + %mul238 = add i32 %m, %n + %add = mul i32 %0, %mul238 + store i32 %add, i32* %B, align 4 + %arrayidx4 = getelementptr inbounds i32* %A, i64 1 + %1 = load i32* %arrayidx4, align 4 + %add8 = mul i32 %1, %mul238 + %arrayidx9 = getelementptr inbounds i32* %B, i64 1 + store i32 %add8, i32* %arrayidx9, align 4 + %arrayidx10 = getelementptr inbounds i32* %A, i64 2 + %2 = load i32* %arrayidx10, align 4 + %add14 = mul i32 %2, %mul238 + %arrayidx15 = getelementptr inbounds i32* %B, i64 2 + store i32 %add14, i32* %arrayidx15, align 4 + %arrayidx16 = getelementptr inbounds i32* %A, i64 3 + %3 = load i32* %arrayidx16, align 4 + %add20 = mul i32 %3, %mul238 + %arrayidx21 = getelementptr inbounds i32* %B, i64 3 + store i32 %add20, i32* %arrayidx21, align 4 + ret i32 %1 ;<--------- This value has multiple users +} |