From 2efa35f779213a828fa15d6aa3a508fc81d75d73 Mon Sep 17 00:00:00 2001
From: Eli Friedman <eli.friedman@gmail.com>
Date: Tue, 8 Nov 2011 01:25:24 +0000
Subject: Add a bunch of calls to RemoveDeadNode in LegalizeDAG, so
 legalization doesn't get confused by CSE later on.  Fixes PR11318.

Re-commit of r144034, with an extra fix so that RemoveDeadNode doesn't blow up.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144055 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/2011-11-07-LegalizeBuildVector.ll | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 test/CodeGen/X86/2011-11-07-LegalizeBuildVector.ll

(limited to 'test')

diff --git a/test/CodeGen/X86/2011-11-07-LegalizeBuildVector.ll b/test/CodeGen/X86/2011-11-07-LegalizeBuildVector.ll
new file mode 100644
index 0000000000..d3164707a3
--- /dev/null
+++ b/test/CodeGen/X86/2011-11-07-LegalizeBuildVector.ll
@@ -0,0 +1,14 @@
+; RUN: llc < %s -march=x86 -mattr=+avx | FileCheck %s
+
+; We don't really care what this outputs; just make sure it's somewhat sane.
+; CHECK: legalize_test
+; CHECK: vmovups
+define void @legalize_test(i32 %x, <8 x i32>* %p) nounwind {
+entry:
+  %t1 = insertelement <8 x i32> <i32 undef, i32 undef, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15>, i32 %x, i32 0
+  %t2 = shufflevector <8 x i32> %t1, <8 x i32> zeroinitializer, <8 x i32> <i32 0, i32 9, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+  %int2float = sitofp <8 x i32> %t2 to <8 x float>
+  %blendAsInt.i821 = bitcast <8 x float> %int2float to <8 x i32>
+  store <8 x i32> %blendAsInt.i821, <8 x i32>* %p, align 4
+  ret void
+}
-- 
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