24 lines
770 B
YAML
24 lines
770 B
YAML
# 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_VOID implicit-def dead $arguments
|
|
...
|