From dee48e7ad489e8bd5febfafb5dade15d8757a946 Mon Sep 17 00:00:00 2001
From: Michael Kuperstein <michael.m.kuperstein@intel.com>
Date: Mon, 10 Nov 2014 21:07:41 +0000
Subject: [PATCH] Reverting r221626 due to a too-strict test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221629 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/X86InstrCompiler.td  |  1 -
 test/CodeGen/X86/TruncAssertZext.ll | 16 ----------------
 2 files changed, 17 deletions(-)
 delete mode 100644 test/CodeGen/X86/TruncAssertZext.ll

diff --git a/lib/Target/X86/X86InstrCompiler.td b/lib/Target/X86/X86InstrCompiler.td
index 117b6ff2103..bf25672b2f6 100644
--- a/lib/Target/X86/X86InstrCompiler.td
+++ b/lib/Target/X86/X86InstrCompiler.td
@@ -1191,7 +1191,6 @@ def def32 : PatLeaf<(i32 GR32:$src), [{
   return N->getOpcode() != ISD::TRUNCATE &&
          N->getOpcode() != TargetOpcode::EXTRACT_SUBREG &&
          N->getOpcode() != ISD::CopyFromReg &&
-         N->getOpcode() != ISD::AssertSext &&
          N->getOpcode() != X86ISD::CMOV;
 }]>;
 
diff --git a/test/CodeGen/X86/TruncAssertZext.ll b/test/CodeGen/X86/TruncAssertZext.ll
deleted file mode 100644
index 08079e98f2d..00000000000
--- a/test/CodeGen/X86/TruncAssertZext.ll
+++ /dev/null
@@ -1,16 +0,0 @@
-; RUN: llc < %s -O2 -march=x86-64 | FileCheck %s
-; Checks that a zeroing mov is inserted for the trunc/zext pair even when
-; the source of the zext is an AssertSext node
-; PR20494
-
-define i64 @main(i64 %a) { 
-; CHECK-LABEL: main
-; CHECK: movl %ecx, %eax
-; CHECK: ret
-  %or = or i64 %a, -2
-  %trunc = trunc i64 %or to i32
-  br label %l
-l:
-  %ext = zext i32 %trunc to i64
-  ret i64 %ext
-}
-- 
2.34.1