From f2855f88864cb00c774114b80b78f2388821b8ca Mon Sep 17 00:00:00 2001 From: Nadav Rotem Date: Fri, 2 Aug 2013 18:40:24 +0000 Subject: SLPVectorizer: Fix PR16777. PHInodes may use multiple extracted values that come from different blocks. Thanks Alexey Samsonov. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187663 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/SLPVectorizer/X86/phi3.ll | 35 +++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 test/Transforms/SLPVectorizer/X86/phi3.ll (limited to 'test/Transforms/SLPVectorizer') diff --git a/test/Transforms/SLPVectorizer/X86/phi3.ll b/test/Transforms/SLPVectorizer/X86/phi3.ll new file mode 100644 index 0000000000..fd8d361372 --- /dev/null +++ b/test/Transforms/SLPVectorizer/X86/phi3.ll @@ -0,0 +1,35 @@ +; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7 + +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" + +%struct.GPar.0.16.26 = type { [0 x double], double } + +@d = external global double, align 8 + +declare %struct.GPar.0.16.26* @Rf_gpptr(...) + +define void @Rf_GReset() { +entry: + %sub = fsub double -0.000000e+00, undef + %0 = load double* @d, align 8 + %sub1 = fsub double -0.000000e+00, %0 + br i1 icmp eq (%struct.GPar.0.16.26* (...)* inttoptr (i64 115 to %struct.GPar.0.16.26* (...)*), %struct.GPar.0.16.26* (...)* @Rf_gpptr), label %if.then, label %if.end7 + +if.then: ; preds = %entry + %sub2 = fsub double %sub, undef + %div.i = fdiv double %sub2, undef + %sub4 = fsub double %sub1, undef + %div.i16 = fdiv double %sub4, undef + %cmp = fcmp ogt double %div.i, %div.i16 + br i1 %cmp, label %if.then6, label %if.end7 + +if.then6: ; preds = %if.then + br label %if.end7 + +if.end7: ; preds = %if.then6, %if.then, %entry + %g.0 = phi double [ 0.000000e+00, %if.then6 ], [ %sub, %if.then ], [ %sub, %entry ] + ret void +} + + -- cgit v1.2.3