llvm-6502/test/CodeGen
Daniel Sanders fe2b8b1960 [mips] Promote i32 arguments to i64 for the N32/N64 ABI and fix <64-bit structs...
Summary:
... and after all that refactoring, it's possible to distinguish softfloat
floating point values from integers so this patch no longer breaks softfloat to
do it.

Remove direct handling of i32's in the N32/N64 ABI by promoting them to
i64. This more closely reflects the ABI documentation and also fixes
problems with stack arguments on big-endian targets.

We now rely on signext/zeroext annotations (already generated by clang) and
the Assert[SZ]ext nodes to avoid the introduction of unnecessary sign/zero
extends.

It was not possible to convert three tests to use signext/zeroext. These tests
are bswap.ll, ctlz-v.ll, ctlz-v.ll. It's not possible to put signext on a
vector type so we just accept the sign extends here for now. These tests don't
pass the vectors the same way clang does (clang puts multiple elements in the
same argument, these map 1 element to 1 argument) so we don't need to worry too
much about it.

With this patch, all known N32/N64 bugs should be fixed and we now pass the
first 10,000 tests generated by ABITest.py.

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D6117


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221534 91177308-0d34-0410-b5e6-96231b3b80d8
2014-11-07 16:54:21 +00:00
..
AArch64 [AArch64] Keep flags on condition vreg when instantiating a CB branch. 2014-11-07 02:50:00 +00:00
ARM [RegAlloc] Remove reference to the trivial spiller in test case. 2014-11-06 19:24:18 +00:00
CPP
Generic
Hexagon
Inputs
Mips [mips] Promote i32 arguments to i64 for the N32/N64 ABI and fix <64-bit structs... 2014-11-07 16:54:21 +00:00
MSP430
NVPTX [NVPTX] Add NVPTXLowerStructArgs pass 2014-11-05 18:19:30 +00:00
PowerPC
R600 R600/SI: Add testcase I forgot to commit from months ago 2014-11-05 19:01:22 +00:00
SPARC
SystemZ
Thumb Improve logic that decides if its profitable to commute when some of the virtual registers involved have uses/defs chains connecting them to physical register. Fix up the tests that this change improves. 2014-11-05 06:43:02 +00:00
Thumb2
X86 [X86][SSE] Vector integer/float conversion memory folding (cvttps2dq / cvttpd2dq) 2014-11-06 22:15:41 +00:00
XCore