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| author | Michael Kuperstein <mkuper@google.com> | 2016-12-07 19:31:08 +0000 |
|---|---|---|
| committer | Michael Kuperstein <mkuper@google.com> | 2016-12-07 19:31:08 +0000 |
| commit | 5842b20633ef3b244a2d583cf0d209b4ea57a911 (patch) | |
| tree | a22704a232eddf73ba257fd399365467a8fae2ff /llvm/lib/Target/X86/X86CallFrameOptimization.cpp | |
| parent | 18092cf2c30efe6f4021b6ab29a581e172fa898d (diff) | |
| download | bcm5719-llvm-5842b20633ef3b244a2d583cf0d209b4ea57a911.tar.gz bcm5719-llvm-5842b20633ef3b244a2d583cf0d209b4ea57a911.zip | |
[X86] Skip over DEBUG_VALUE while looking for start of call sequence
If we don't skip over DEBUG_VALUEs, we get differences between -g and non-g
code.
This fixes PR31242.
Differential Revision: https://reviews.llvm.org/D27485
llvm-svn: 288965
Diffstat (limited to 'llvm/lib/Target/X86/X86CallFrameOptimization.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86CallFrameOptimization.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/llvm/lib/Target/X86/X86CallFrameOptimization.cpp b/llvm/lib/Target/X86/X86CallFrameOptimization.cpp index 25d1c51d28f..78bd2add8c3 100644 --- a/llvm/lib/Target/X86/X86CallFrameOptimization.cpp +++ b/llvm/lib/Target/X86/X86CallFrameOptimization.cpp @@ -340,10 +340,10 @@ void X86CallFrameOptimization::collectCallInfo(MachineFunction &MF, return; } - // For globals in PIC mode, we can have some LEAs here. - // Ignore them, they don't bother us. + // Skip over DEBUG_VALUE. + // For globals in PIC mode, we can have some LEAs here. Skip them as well. // TODO: Extend this to something that covers more cases. - while (I->getOpcode() == X86::LEA32r) + while (I->getOpcode() == X86::LEA32r || I->isDebugValue()) ++I; unsigned StackPtr = RegInfo.getStackRegister(); |
