summaryrefslogtreecommitdiffstats
path: root/llvm/lib/Target/Mips/Mips16InstrInfo.cpp
diff options
context:
space:
mode:
authorVasileios Kalintiris <Vasileios.Kalintiris@imgtec.com>2015-04-02 10:14:54 +0000
committerVasileios Kalintiris <Vasileios.Kalintiris@imgtec.com>2015-04-02 10:14:54 +0000
commitb3698a53fa3797c838cbd03274b3fbc39d5d96a2 (patch)
treebf81adf9a0de532b056ec9c7081ce14a2e2735c7 /llvm/lib/Target/Mips/Mips16InstrInfo.cpp
parentf3840700fa04bfc5157360b5956fbf4f509e4fd4 (diff)
downloadbcm5719-llvm-b3698a53fa3797c838cbd03274b3fbc39d5d96a2.tar.gz
bcm5719-llvm-b3698a53fa3797c838cbd03274b3fbc39d5d96a2.zip
[mips] Make sure that we don't adjust the stack pointer by zero amount.
Reviewers: dsanders Reviewed By: dsanders Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D8638 llvm-svn: 233904
Diffstat (limited to 'llvm/lib/Target/Mips/Mips16InstrInfo.cpp')
-rw-r--r--llvm/lib/Target/Mips/Mips16InstrInfo.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/Mips/Mips16InstrInfo.cpp b/llvm/lib/Target/Mips/Mips16InstrInfo.cpp
index 00d449531a1..a49572efdbf 100644
--- a/llvm/lib/Target/Mips/Mips16InstrInfo.cpp
+++ b/llvm/lib/Target/Mips/Mips16InstrInfo.cpp
@@ -293,6 +293,9 @@ void Mips16InstrInfo::adjustStackPtrBigUnrestricted(
void Mips16InstrInfo::adjustStackPtr(unsigned SP, int64_t Amount,
MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const {
+ if (Amount == 0)
+ return;
+
if (isInt<16>(Amount)) // need to change to addiu sp, ....and isInt<16>
BuildAddiuSpImm(MBB, I, Amount);
else
OpenPOWER on IntegriCloud