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Enable the slp vectorizer in the gold plugin.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220887 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2014-10-30 00:38:54 +00:00
parent 74ded7c790
commit d07e7ecd85
2 changed files with 31 additions and 0 deletions
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30
test/tools/gold/slp-vectorize.ll Normal file
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@ -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
}

1
tools/gold/gold-plugin.cpp
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@ -677,6 +677,7 @@ static void runLTOPasses(Module &M, TargetMachine &TM) {
PMB.VerifyInput = true;
PMB.VerifyOutput = true;
PMB.LoopVectorize = true;
PMB.SLPVectorize = true;
PMB.populateLTOPassManager(passes, &TM);
passes.run(M);
}