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[PowerPC] Disable shrink wrapping 

Shrink wrapping is causing a self-hosting failure on PPC64/Linux. Disable for
now until the problem can be fixed.

llvm-svn: 248924
This commit is contained in:
Hal Finkel 2015-09-30 17:29:03 +00:00
parent 91c49810f2
commit 4c45775880
2 changed files with 3 additions and 2 deletions
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4
llvm/lib/Target/PowerPC/PPCFrameLowering.cpp
View File

@ -1710,6 +1710,6 @@ PPCFrameLowering::restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
}
bool PPCFrameLowering::enableShrinkWrapping(const MachineFunction &MF) const {
return (MF.getSubtarget<PPCSubtarget>().isSVR4ABI() &&
MF.getSubtarget<PPCSubtarget>().isPPC64());
// FIXME: Enable this for non-Darwin PPC64 once it is confirmed working.
return false;
}

1
llvm/test/CodeGen/PowerPC/ppc-shrink-wrapping.ll
View File

@ -1,5 +1,6 @@
; RUN: llc -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=ENABLE
; RUN: llc -mtriple=powerpc64le-unknown-linux-gnu %s -o - -enable-shrink-wrap=false | FileCheck %s --check-prefix=CHECK --check-prefix=DISABLE
; XFAIL: *
;
; Note: Lots of tests use inline asm instead of regular calls.
; This allows to have a better control on what the allocation will do.