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c01de3fc6a
llvm-mirror/test/CodeGen
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Quentin Colombet c01de3fc6a [X86] Make sure it is safe to clobber EFLAGS, if need be, when choosing 
the prologue.

Do not use basic blocks that have EFLAGS live-in as prologue if we need
to realign the stack. Realigning the stack uses AND instruction and this
clobbers EFLAGS.

An other alternative would have been to save and restore EFLAGS around
the stack realignment code, but this is likely inefficient.

Fixes PR27531.

llvm-svn: 267634
2016-04-26 23:44:14 +00:00
..
AArch64 [AArch64] Expand v1i64 and v2i64 ctlz. 2016-04-26 05:26:51 +00:00
AMDGPU [AMDGPU] Reserve VGPRs for trap handler usage if instructed 2016-04-26 15:43:14 +00:00
ARM [ARM] Expand vector ctlz_zero_undef so it becomes ctlz. 2016-04-26 05:04:37 +00:00
BPF
CPP
Generic Introduce llvm.load.relative intrinsic. 2016-04-22 21:18:02 +00:00
Hexagon [Tail duplication] Handle source registers with subregisters 2016-04-26 18:36:34 +00:00
Inputs [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
Lanai [lanai] Add subword scheduling itineraries. 2016-04-20 18:28:55 +00:00
Mips [mips][microMIPS] Revert commit r267137 2016-04-25 15:40:08 +00:00
MIR tests: tweak MIR for ARM tests to correct MI issues 2016-04-26 17:54:21 +00:00
MSP430
NVPTX [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
PowerPC [PowerPC] Add support for llvm.thread.pointer 2016-04-26 10:37:22 +00:00
SPARC [SPARC] [SSP] Add support for LOAD_STACK_GUARD. 2016-04-26 10:37:14 +00:00
SystemZ [SystemZ] [SSP] Add support for LOAD_STACK_GUARD. 2016-04-24 13:57:49 +00:00
Thumb [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
Thumb2
WebAssembly [WebAssembly] Account for implicit operands when computing operand indices. 2016-04-26 01:40:56 +00:00
WinEH [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
X86 [X86] Make sure it is safe to clobber EFLAGS, if need be, when choosing 2016-04-26 23:44:14 +00:00
XCore [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00