From d237e834a816399b7e1561dd4db2c501f5095712 Mon Sep 17 00:00:00 2001 From: Justin Bogner Date: Fri, 27 Sep 2013 15:30:25 +0000 Subject: Transforms: Use getFirstNonPHI to set the insertion point for PHIs We were previously using getFirstInsertionPt to insert PHI instructions when vectorizing, but getFirstInsertionPt also skips past landingpads, causing this to generate invalid IR. We can avoid this issue by using getFirstNonPHI instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191526 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../Transforms/SLPVectorizer/X86/phi_landingpad.ll | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 test/Transforms/SLPVectorizer/X86/phi_landingpad.ll (limited to 'test/Transforms/SLPVectorizer') diff --git a/test/Transforms/SLPVectorizer/X86/phi_landingpad.ll b/test/Transforms/SLPVectorizer/X86/phi_landingpad.ll new file mode 100644 index 0000000000..6d2d5e3540 --- /dev/null +++ b/test/Transforms/SLPVectorizer/X86/phi_landingpad.ll @@ -0,0 +1,31 @@ +; RUN: opt < %s -slp-vectorizer -mtriple=x86_64-apple-macosx10.9.0 -disable-output + +target datalayout = "f64:64:64-v64:64:64" + +define void @test_phi_in_landingpad() { +entry: + invoke void @foo() + to label %inner unwind label %lpad + +inner: + %x0 = fsub double undef, undef + %y0 = fsub double undef, undef + invoke void @foo() + to label %done unwind label %lpad + +lpad: + %x1 = phi double [ undef, %entry ], [ undef, %inner ] + %y1 = phi double [ undef, %entry ], [ undef, %inner ] + landingpad { i8*, i32 } personality i8* + bitcast (i32 (...)* @__gxx_personality_v0 to i8*) catch i8* null + br label %done + +done: + phi double [ %x0, %inner ], [ %x1, %lpad ] + phi double [ %y0, %inner ], [ %y1, %lpad ] + ret void +} + +declare void @foo() + +declare i32 @__gxx_personality_v0(...) -- cgit v1.2.3