File: explicit-locals.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 (23 lines) | stat: -rw-r--r-- 765 bytes parent folder | download | duplicates (21) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
# RUN: llc -mtriple=wasm32-unknown-unknown -run-pass wasm-explicit-locals -wasm-keep-registers %s -o - | FileCheck %s

# When a drop instruction is inserted to drop a dead register operand, the
# original operand should be marked not dead anymore because it is now used by
# the new drop instruction. And the operand to the new drop instruction should
# be marked killed instead.
---
name: drop_test
liveins:
  - { reg: '$arguments' }
tracksRegLiveness: true
body: |
  bb.0:
    successors: %bb.1
    liveins: $arguments

  bb.1:
  ; predecessors: %bb.0
    ; CHECK-NOT: dead %{{[0-9]+}}
    ; CHECK: DROP_I32 killed %{{[0-9]+}}
    dead %0:i32 = CONST_I32 0, implicit-def dead $arguments, implicit $sp32, implicit $sp64
    RETURN implicit-def dead $arguments
...