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llvm-6502/test/CodeGen
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Bill Wendling edfef3bd27 Generate a compact unwind encoding in the face of a stack alignment push. 
We generate a `push' of a random register (%rax) if the stack needs to be
aligned by the size of that register. However, this could mess up compact unwind
generation. In particular, we want to still generate compact unwind in the
presence of this monstrosity.

Check if the push of of the %rax/%eax register. If it is and it's marked with
the `FrameSetup' flag, then we can generate a compact unwind encoding for the
function only if the push is the last FrameSetup instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181540 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-09 20:10:38 +00:00
..
AArch64 AArch64: support literal pool access in large memory model. 2013-05-04 16:54:07 +00:00
ARM Test case for r181160 and r181161. rdar://13782395 2013-05-05 18:07:15 +00:00
CPP test commit: remove blank line. 2013-03-14 05:43:59 +00:00
Generic TBAA: remove !tbaa from testing cases if not used. 2013-04-30 17:52:57 +00:00
Hexagon Hexagon: Use relation map for getMatchingCondBranchOpcode() and 2013-05-09 18:25:44 +00:00
Inputs Revert "Adding DIImportedModules to DIScopes." 2013-03-28 02:44:59 +00:00
MBlaze Remove unnecessary leading comment characters in lit-only file 2013-03-18 22:08:16 +00:00
Mips [mips] Add instruction selection pattern for (seteq $LHS, 0). 2013-05-08 19:38:04 +00:00
MSP430 DAGCombiner: Simplify inverted bit tests 2013-05-08 06:44:42 +00:00
NVPTX [NVPTX] Remove support for SM < 2.0. This was never fully supported anyway. 2013-03-30 14:29:30 +00:00
PowerPC Fix handling of anonymous aggregate parameters for powerpc*-apple-darwin8. 2013-05-08 17:22:33 +00:00
R600 R600/SI: Add lit tests for llvm.SI.imageload and llvm.SI.resinfo intrinsics 2013-05-08 13:07:29 +00:00
SI
SPARC Cleanup: test source files do not need to be executable 2013-04-22 08:02:43 +00:00
SystemZ [SystemZ] Add CodeGen test cases 2013-05-06 16:17:29 +00:00
Thumb LocalStackSlotAllocation improvements 2013-04-30 20:04:37 +00:00
Thumb2 TBAA: remove !tbaa from testing cases if not used. 2013-04-30 17:52:57 +00:00
X86 Generate a compact unwind encoding in the face of a stack alignment push. 2013-05-09 20:10:38 +00:00
XCore [XCore] Fix handling of functions where only the LR is spilled. 2013-05-09 16:43:42 +00:00