[llvm] r220887 - Enable the slp vectorizer in the gold plugin.

[Rafael Espindola]

Author: rafael
Date: Wed Oct 29 19:38:54 2014
New Revision: 220887

URL: http://llvm.org/viewvc/llvm-project?rev=220887&view=rev
Log:
Enable the slp vectorizer in the gold plugin.

Added:
    llvm/trunk/test/tools/gold/slp-vectorize.ll
Modified:
    llvm/trunk/tools/gold/gold-plugin.cpp

Added: llvm/trunk/test/tools/gold/slp-vectorize.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/gold/slp-vectorize.ll?rev=220887&view=auto
==============================================================================
--- llvm/trunk/test/tools/gold/slp-vectorize.ll (added)
+++ llvm/trunk/test/tools/gold/slp-vectorize.ll Wed Oct 29 19:38:54 2014
@@ -0,0 +1,30 @@
+; RUN: llvm-as %s -o %t.o
+
+; RUN: ld -plugin %llvmshlibdir/LLVMgold.so \
+; RUN:    --plugin-opt=save-temps \
+; RUN:    -shared %t.o -o %t2.o
+; RUN: llvm-dis %t2.o.opt.bc -o - | FileCheck %s
+
+; test that the vectorizer is run.
+; CHECK: fadd <4 x float>
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+define void @f(float* nocapture %x) {
+  %tmp = load float* %x, align 4
+  %add = fadd float %tmp, 1.000000e+00
+  store float %add, float* %x, align 4
+  %arrayidx1 = getelementptr inbounds float* %x, i64 1
+  %tmp1 = load float* %arrayidx1, align 4
+  %add2 = fadd float %tmp1, 1.000000e+00
+  store float %add2, float* %arrayidx1, align 4
+  %arrayidx3 = getelementptr inbounds float* %x, i64 2
+  %tmp2 = load float* %arrayidx3, align 4
+  %add4 = fadd float %tmp2, 1.000000e+00
+  store float %add4, float* %arrayidx3, align 4
+  %arrayidx5 = getelementptr inbounds float* %x, i64 3
+  %tmp3 = load float* %arrayidx5, align 4
+  %add6 = fadd float %tmp3, 1.000000e+00
+  store float %add6, float* %arrayidx5, align 4
+  ret void
+}

Modified: llvm/trunk/tools/gold/gold-plugin.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/gold/gold-plugin.cpp?rev=220887&r1=220886&r2=220887&view=diff
==============================================================================
--- llvm/trunk/tools/gold/gold-plugin.cpp (original)
+++ llvm/trunk/tools/gold/gold-plugin.cpp Wed Oct 29 19:38:54 2014
@@ -677,6 +677,7 @@ static void runLTOPasses(Module &M, Targ
   PMB.VerifyInput = true;
   PMB.VerifyOutput = true;
   PMB.LoopVectorize = true;
+  PMB.SLPVectorize = true;
   PMB.populateLTOPassManager(passes, &TM);
   passes.run(M);
 }