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llvm-mirror/test/CodeGen/MIR
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Geoff Berry 976053d8f0 [AArch64] Fold some filled/spilled subreg COPYs 
Summary:
Extend AArch64 foldMemoryOperandImpl() to handle folding spills of
subreg COPYs with read-undef defs like:

  %vreg0:sub_32<def,read-undef> = COPY %WZR; GPR64:%vreg0

by widening the spilled physical source reg and generating:

  STRXui %XZR <fi#0>

as well as folding fills of similar COPYs like:

  %vreg0:sub_32<def,read-undef> = COPY %vreg1; GPR64:%vreg0, GPR32:%vreg1

by generating:

  %vreg0:sub_32<def,read-undef> = LDRWui <fi#0>

Reviewers: MatzeB, qcolombet

Subscribers: aemerson, rengolin, mcrosier, llvm-commits

Differential Revision: https://reviews.llvm.org/D27425

llvm-svn: 291180
2017-01-05 21:51:42 +00:00
..
AArch64 [AArch64] Fold some filled/spilled subreg COPYs 2017-01-05 21:51:42 +00:00
AMDGPU AMDGPU: Fix handling of 16-bit immediates 2016-12-10 00:39:12 +00:00
ARM Move test to correct directory 2016-12-17 02:16:26 +00:00
Generic [MIRPrinter] XFAIL test for powerpc 2016-11-18 20:08:05 +00:00
Hexagon Move .mir tests to appropriate directories 2016-12-09 19:08:15 +00:00
Mips
NVPTX
PowerPC
X86 CodeGen: Assert that liveness is up to date when reading block live-ins. 2017-01-05 20:01:19 +00:00
README Add README describing the intention of test/CodeGen/MIR 2016-12-09 20:16:12 +00:00

README 

This directory contains tests for the MIR file format parser and printer. It
was necessary to split the tests across different targets as no single target
covers all features available in machine IR.

Tests for codegen passes should NOT be here but in test/CodeGen/sometarget. As
a rule of thumb this directory should only contain tests using
'llc -run-pass none'.