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|
# RUN: llc -mtriple=i386-- -run-pass scavenger-test -verify-machineinstrs -o - %s | FileCheck %s
---
# CHECK-LABEL: name: func0
name: func0
tracksRegLiveness: true
body: |
bb.0:
%0 : gr32 = MOV32ri 42
%ebp = COPY %0
...
---
# CHECK-LABEL: name: func2
name: func2
tracksRegLiveness: true
body: |
bb.0:
; CHECK-NOT: %eax = MOV32ri 42
; CHECK: [[REG0:%e[a-z]+]] = MOV32ri 42
; CHECK: %ebp = COPY [[REG0]]
%eax = MOV32ri 13
%0 : gr32 = MOV32ri 42
%ebp = COPY %0
; CHECK: [[REG1:%e[a-z]+]] = MOV32ri 23
; CHECK: [[REG2:%e[a-z]+]] = MOV32ri 7
; CHECK: [[REG1]] = ADD32ri8 [[REG1]], 5, implicit-def dead %eflags
%1 : gr32 = MOV32ri 23
%2 : gr32 = MOV32ri 7
%1 = ADD32ri8 %1, 5, implicit-def dead %eflags
NOOP implicit %ebp
; CHECK: NOOP implicit [[REG2]]
; CHECK: NOOP implicit [[REG1]]
NOOP implicit %2
NOOP implicit %1
RETQ %eax
...
---
# Defs without uses are currently broken
#name: func3
#tracksRegLiveness: true
#body: |
# bb.0:
# dead %0 : gr32 = MOV32ri 42
...
---
# Uses without defs are currently broken (and honestly not that useful).
#name: func3
#tracksRegLiveness: true
#body: |
# bb.0:
# NOOP undef implicit %0 : gr32
...
|
