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Enable the loop vectorizer in the gold plugin.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220886 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2014-10-30 00:11:24 +00:00
parent 25016f9d2e
commit 74ded7c790
2 changed files with 31 additions and 0 deletions
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30
test/tools/gold/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"
target triple = "x86_64-unknown-linux-gnu"
define void @f(float* nocapture %x, i64 %n) {
bb:
br label %bb1
bb1:
%i.0 = phi i64 [ 0, %bb ], [ %tmp4, %bb1 ]
%tmp = getelementptr inbounds float* %x, i64 %i.0
%tmp2 = load float* %tmp, align 4
%tmp3 = fadd float %tmp2, 1.000000e+00
store float %tmp3, float* %tmp, align 4
%tmp4 = add nsw i64 %i.0, 1
%tmp5 = icmp slt i64 %tmp4, %n
br i1 %tmp5, label %bb1, label %bb6
bb6:
ret void
}

1
tools/gold/gold-plugin.cpp
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@ -676,6 +676,7 @@ static void runLTOPasses(Module &M, TargetMachine &TM) {
PMB.Inliner = createFunctionInliningPass();
PMB.VerifyInput = true;
PMB.VerifyOutput = true;
PMB.LoopVectorize = true;
PMB.populateLTOPassManager(passes, &TM);
passes.run(M);
}