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Reid Kleckner 0d8dadf96e [X86] Always return the sret parameter in eax/rax, even on 32-bit 
Summary:
This rule was always in the old SysV i386 ABI docs and the new ones that
H.J. Lu has put together, but we never noticed:

  EAX   scratch register; also used to return integer and pointer values
        from functions; also stores the address of a returned struct or union

Fixes PR23491.

Reviewers: majnemer

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D9715

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237175 91177308-0d34-0410-b5e6-96231b3b80d8
2015-05-12 20:56:32 +00:00
..
AArch64 Changed renaming of local symbols by inserting a dot vefore the numeric suffix. 2015-05-12 16:47:30 +00:00
ARM Changed renaming of local symbols by inserting a dot vefore the numeric suffix. 2015-05-12 16:47:30 +00:00
BPF [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
CPP [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
Generic Migrate existing backends that care about software floating point 2015-05-12 01:26:05 +00:00
Hexagon [PATCH] [HEXAGON] Add a test program to verify calling convention 2015-05-12 20:13:10 +00:00
Inputs IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
Mips [Mips] Return false for isFPCloseToIncomingSP() 2015-05-12 17:14:05 +00:00
MSP430 [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
NVPTX [NVPTX] Handle addrspacecast constant expressions in aggregate initializers 2015-04-28 17:18:30 +00:00
PowerPC Fix test added in r236850 for OSX builders. 2015-05-08 14:04:54 +00:00
R600 R600/SI: add pass to mark CF live ranges as non-spillable 2015-05-12 17:13:02 +00:00
SPARC [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
SystemZ [DAGCombiner] Account for getVectorIdxTy() when narrowing vector load 2015-05-05 19:34:10 +00:00
Thumb IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
Thumb2 Thumb2SizeReduction: Check the correct set of registers for LDMIA. 2015-05-05 20:07:10 +00:00
WinEH Changed renaming of local symbols by inserting a dot vefore the numeric suffix. 2015-05-12 16:47:30 +00:00
X86 [X86] Always return the sret parameter in eax/rax, even on 32-bit 2015-05-12 20:56:32 +00:00
XCore IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00