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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=i386-unknown-linux-musl -verify-machineinstrs -run-pass=regallocfast -o - %s | FileCheck %s
# Test for correct management of allocatable and non-allocatable
# live-ins in fastregalloc
---
name: live_through_ecx
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: live_through_ecx
; CHECK: bb.0:
; CHECK: successors: %bb.1(0x80000000)
; CHECK: liveins: $ecx
; CHECK: NOOP implicit $ecx
; CHECK: bb.1:
; CHECK: liveins: $ecx
; CHECK: RET implicit killed $ecx
bb.0:
liveins: $ecx
NOOP implicit $ecx
bb.1:
liveins: $ecx
RET implicit $ecx
...
---
name: live_out_ecx
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: live_out_ecx
; CHECK: bb.0:
; CHECK: successors: %bb.1(0x80000000)
; CHECK: liveins: $eax, $ebx
; CHECK: renamable $ecx = COPY killed $ebx
; CHECK: bb.1:
; CHECK: liveins: $ecx
; CHECK: RET implicit killed $ecx
bb.0:
liveins: $eax, $ebx
%0:gr32 = COPY $eax
%1:gr32 = COPY $ebx
$ecx = COPY %1
bb.1:
liveins: $ecx
RET implicit $ecx
...
---
name: live_out_eflags
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: live_out_eflags
; CHECK: bb.0:
; CHECK: successors: %bb.1(0x80000000)
; CHECK: liveins: $eax, $ebx
; CHECK: TEST32rr killed renamable $eax, killed renamable $ebx, implicit-def $eflags
; CHECK: bb.1:
; CHECK: liveins: $eflags
; CHECK: RET implicit killed $eflags
bb.0:
liveins: $eax, $ebx
%0:gr32 = COPY $eax
%1:gr32 = COPY $ebx
TEST32rr %0, %1, implicit-def $eflags
bb.1:
liveins: $eflags
RET implicit $eflags
...
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