File: machine-copy-dbgvalue.mir

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (20 lines) | stat: -rw-r--r-- 793 bytes parent folder | download | duplicates (16) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
# RUN: llc -mtriple=i686-- -run-pass machine-cp -verify-machineinstrs -o - %s | FileCheck %s


---
# Test that machine copy propagation ignores DBG_VALUE and DBL_VALUE_LIST and updates it.
# CHECK-LABEL: name: foo
# CHECK: bb.0:
# CHECK-NEXT: $rax = MOV64ri 31
# CHECK-NEXT: DBG_VALUE $rax
# CHECK-NEXT: DBG_VALUE_LIST 0, !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_constu, 4, DW_OP_mul, DW_OP_plus, DW_OP_stack_value), $rax, 0, 0
# CHECK-NEXT: RET64 implicit killed $rax
name: foo
body: |
  bb.0:
    renamable $rcx = MOV64ri 31
    DBG_VALUE $rcx, 0, 0, 0, 0
    DBG_VALUE_LIST 0, !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_constu, 4, DW_OP_mul, DW_OP_plus, DW_OP_stack_value), $rcx, 0, 0
    $rax = COPY killed renamable $rcx
    RET64 implicit killed $rax
...