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[SystemZ] Also clear kill flag for index reg in splitMove().

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Discovered by running fp-move-05.ll with -verify-machineinstrs (added
to test case run).

llvm-svn: 251298
This commit is contained in:
Jonas Paulsson 2015-10-26 15:03:41 +00:00
parent 16285ec728
commit 5395a3ead2
2 changed files with 4 additions and 2 deletions
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4
lib/Target/SystemZ/SystemZInstrInfo.cpp
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@ -69,8 +69,10 @@ void SystemZInstrInfo::splitMove(MachineBasicBlock::iterator MI,
MachineOperand &LowOffsetOp = MI->getOperand(2);
LowOffsetOp.setImm(LowOffsetOp.getImm() + 8);
// Clear the kill flag for the address reg in the first instruction.
// Clear the kill flags for the base and index registers in the first
// instruction.
EarlierMI->getOperand(1).setIsKill(false);
EarlierMI->getOperand(3).setIsKill(false);
// Set the opcodes.
unsigned HighOpcode = getOpcodeForOffset(NewOpcode, HighOffsetOp.getImm());

2
test/CodeGen/SystemZ/fp-move-05.ll
View File

@ -1,6 +1,6 @@
; Test 128-bit floating-point loads.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
; RUN: llc < %s -mtriple=s390x-linux-gnu -verify-machineinstrs | FileCheck %s
; Check loads with no offset.
define double @f1(i64 %src) {