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llvm-project/llvm/test/CodeGen/MIR
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Daniel Sanders 9f3cf55e63 [mir] Serialize DILocation inline when not possible to use a metadata reference 
Summary:
Sometimes MIR-level passes create DILocations that were not present in the
LLVM-IR. For example, it may merge two DILocations together to produce a
DILocation that points to line 0.

Previously, the address of these DILocations were printed which prevented the
MIR from being read back into LLVM. With this patch, DILocations will use
metadata references where possible and fall back on serializing them inline like so:
    MOV32mr %stack.0.x.addr, 1, _, 0, _, %0, debug-location !DILocation(line: 1, scope: !15)

Reviewers: aprantl, vsk, arphaman

Reviewed By: aprantl

Subscribers: probinson, llvm-commits

Tags: #debug-info

Differential Revision: https://reviews.llvm.org/D55243

llvm-svn: 349035
 		2018-12-13 14:25:27 +00:00
..
AArch64 Revert r347490 as it breaks address sanitizer builds 2018-11-23 17:13:06 +00:00
AMDGPU AMDGPU: Fix tests using old number for constant address space 2018-09-10 02:54:25 +00:00
ARM Followup on Proposal to move MIR physical register namespace to '$' sigil. 2018-01-31 22:04:26 +00:00
Generic [codeview] Emit S_FRAMEPROC and use S_DEFRANGE_FRAMEPOINTER_REL 2018-10-01 21:59:45 +00:00
Hexagon Followup on Proposal to move MIR physical register namespace to '$' sigil. 2018-01-31 22:04:26 +00:00
Mips Followup on Proposal to move MIR physical register namespace to '$' sigil. 2018-01-31 22:04:26 +00:00
NVPTX [MIR] Repurposing '$' sigil used by external symbols. Replacing with '&'. 2018-01-10 00:56:48 +00:00
PowerPC [Power9] Allow gpr callee saved spills in prologue to vectors registers 2018-11-09 16:36:24 +00:00
WebAssembly [MIRParser][GlobalISel] Parsing vector pointer types (<M x pA>) 2018-05-08 02:02:50 +00:00
X86 [mir] Serialize DILocation inline when not possible to use a metadata reference 2018-12-13 14:25:27 +00:00
README
…

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'.