From: Jonas Paulsson <jonas.paulsson@ericsson.com>
Date: Mon, 26 Oct 2015 15:03:49 +0000 (+0000)
Subject: [SystemZ] LTGFR use regclass should be GR32, not GR64.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=98a8bb4c52b87193a47cf82ae0aa1ef673749b84;p=oota-llvm.git

[SystemZ] LTGFR use regclass should be GR32, not GR64.

Discovered by testing int-cmp-44.ll with -verify-machineinstrs (added to
test run).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@251299 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/SystemZ/SystemZInstrInfo.td b/lib/Target/SystemZ/SystemZInstrInfo.td
index 5343ebaec19..628c51a48ef 100644
--- a/lib/Target/SystemZ/SystemZInstrInfo.td
+++ b/lib/Target/SystemZ/SystemZInstrInfo.td
@@ -424,7 +424,7 @@ let hasSideEffects = 0 in {
   def LGFR : UnaryRRE<"lgf", 0xB914, sext32, GR64, GR32>;
 }
 let Defs = [CC], CCValues = 0xE, CompareZeroCCMask = 0xE in
-  def LTGFR : UnaryRRE<"ltgf", 0xB912, null_frag, GR64, GR64>;
+  def LTGFR : UnaryRRE<"ltgf", 0xB912, null_frag, GR64, GR32>;
 
 // Match 32-to-64-bit sign extensions in which the source is already
 // in a 64-bit register.
diff --git a/test/CodeGen/SystemZ/int-cmp-44.ll b/test/CodeGen/SystemZ/int-cmp-44.ll
index 97d48521254..a87dccd4ac2 100644
--- a/test/CodeGen/SystemZ/int-cmp-44.ll
+++ b/test/CodeGen/SystemZ/int-cmp-44.ll
@@ -1,7 +1,8 @@
 ; Test that compares are omitted if CC already has the right value
 ; (z10 version).
 ;
-; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 -no-integrated-as | FileCheck %s
+; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 -no-integrated-as \
+; RUN:   -verify-machineinstrs| FileCheck %s
 
 declare void @foo()