From 093b0413fe827b48306ef459af7690ba9df14a8e Mon Sep 17 00:00:00 2001
From: Chandler Carruth <chandlerc@gmail.com>
Date: Fri, 31 Jan 2014 21:14:40 +0000
Subject: [SLPV] Recognize vectorizable intrinsics during SLP vectorization and
 transform accordingly. Based on similar code from Loop vectorization.
 Subsequent commits will include vectorization of function calls to vector
 intrinsics and form function calls to vector library calls.

Patch by Raul Silvera! (Much delayed due to my not running dcommit)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200576 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/Transforms/SLPVectorizer/X86/intrinsic.ll | 75 ++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 test/Transforms/SLPVectorizer/X86/intrinsic.ll

(limited to 'test')

diff --git a/test/Transforms/SLPVectorizer/X86/intrinsic.ll b/test/Transforms/SLPVectorizer/X86/intrinsic.ll
new file mode 100644
index 0000000000..2b7ee754df
--- /dev/null
+++ b/test/Transforms/SLPVectorizer/X86/intrinsic.ll
@@ -0,0 +1,75 @@
+; RUN: opt < %s -basicaa -slp-vectorizer -slp-threshold=-999 -dce -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"
+
+declare double @llvm.fabs.f64(double) nounwind readnone
+
+;CHECK-LABEL: @vec_fabs_f64(
+;CHECK: load <2 x double>
+;CHECK: load <2 x double>
+;CHECK: call <2 x double> @llvm.fabs.v2f64
+;CHECK: store <2 x double>
+;CHECK: ret
+define void @vec_fabs_f64(double* %a, double* %b, double* %c) {
+entry:
+  %i0 = load double* %a, align 8
+  %i1 = load double* %b, align 8
+  %mul = fmul double %i0, %i1
+  %call = tail call double @llvm.fabs.f64(double %mul) nounwind readnone
+  %arrayidx3 = getelementptr inbounds double* %a, i64 1
+  %i3 = load double* %arrayidx3, align 8
+  %arrayidx4 = getelementptr inbounds double* %b, i64 1
+  %i4 = load double* %arrayidx4, align 8
+  %mul5 = fmul double %i3, %i4
+  %call5 = tail call double @llvm.fabs.f64(double %mul5) nounwind readnone
+  store double %call, double* %c, align 8
+  %arrayidx5 = getelementptr inbounds double* %c, i64 1
+  store double %call5, double* %arrayidx5, align 8
+  ret void
+}
+
+declare float @llvm.copysign.f32(float, float) nounwind readnone
+
+;CHECK-LABEL: @vec_copysign_f32(
+;CHECK: load <4 x float>
+;CHECK: load <4 x float>
+;CHECK: call <4 x float> @llvm.copysign.v4f32
+;CHECK: store <4 x float>
+;CHECK: ret
+define void @vec_copysign_f32(float* %a, float* %b, float* noalias %c) {
+entry:
+  %0 = load float* %a, align 4
+  %1 = load float* %b, align 4
+  %call0 = tail call float @llvm.copysign.f32(float %0, float %1) nounwind readnone
+  store float %call0, float* %c, align 4
+
+  %ix2 = getelementptr inbounds float* %a, i64 1
+  %2 = load float* %ix2, align 4
+  %ix3 = getelementptr inbounds float* %b, i64 1
+  %3 = load float* %ix3, align 4
+  %call1 = tail call float @llvm.copysign.f32(float %2, float %3) nounwind readnone
+  %c1 = getelementptr inbounds float* %c, i64 1
+  store float %call1, float* %c1, align 4
+
+  %ix4 = getelementptr inbounds float* %a, i64 2
+  %4 = load float* %ix4, align 4
+  %ix5 = getelementptr inbounds float* %b, i64 2
+  %5 = load float* %ix5, align 4
+  %call2 = tail call float @llvm.copysign.f32(float %4, float %5) nounwind readnone
+  %c2 = getelementptr inbounds float* %c, i64 2
+  store float %call2, float* %c2, align 4
+
+  %ix6 = getelementptr inbounds float* %a, i64 3
+  %6 = load float* %ix6, align 4
+  %ix7 = getelementptr inbounds float* %b, i64 3
+  %7 = load float* %ix7, align 4
+  %call3 = tail call float @llvm.copysign.f32(float %6, float %7) nounwind readnone
+  %c3 = getelementptr inbounds float* %c, i64 3
+  store float %call3, float* %c3, align 4
+
+  ret void
+}
+
+
+
-- 
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