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

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

llvm-svn: 251299
This commit is contained in:
Jonas Paulsson 2015-10-26 15:03:49 +00:00
parent 7da3820882
commit 83553d0cac
2 changed files with 3 additions and 2 deletions
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2
llvm/lib/Target/SystemZ/SystemZInstrInfo.td
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@ -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.

3
llvm/test/CodeGen/SystemZ/int-cmp-44.ll
View File

@ -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()