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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=x86_64-- -verify-machineinstrs -o - %s -run-pass=livevars,phi-node-elimination,twoaddressinstruction | FileCheck %s
--- |
@b114 = external global i16, align 1
define void @f245() {
entry:
unreachable
}
...
---
name: f245
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: f245
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.5(0x40000000), %bb.1(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[MOV64rm:%[0-9]+]]:gr64 = MOV64rm $rip, 1, $noreg, target-flags(x86-gotpcrel) @b114, $noreg
; CHECK-NEXT: [[MOV16rm:%[0-9]+]]:gr16 = MOV16rm killed [[MOV64rm]], 1, $noreg, 0, $noreg :: (load (s16) from @b114, align 1)
; CHECK-NEXT: TEST8ri undef %2:gr8, 1, implicit-def $eflags
; CHECK-NEXT: JCC_1 %bb.5, 5, implicit killed $eflags
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.2(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gr16 = COPY killed [[MOV16rm]]
; CHECK-NEXT: JMP_1 %bb.2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: successors: %bb.4(0x40000000), %bb.3(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: dead %5:gr16 = IMPLICIT_DEF
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gr16 = COPY killed [[COPY]]
; CHECK-NEXT: TEST8ri undef %7:gr8, 1, implicit-def $eflags
; CHECK-NEXT: JCC_1 %bb.4, 5, implicit killed $eflags
; CHECK-NEXT: JMP_1 %bb.3
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.3:
; CHECK-NEXT: successors: %bb.6(0x40000000), %bb.4(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[MOV32r0_:%[0-9]+]]:gr32 = MOV32r0 implicit-def dead $eflags
; CHECK-NEXT: dead %9:gr16 = COPY killed [[MOV32r0_]].sub_16bit
; CHECK-NEXT: CMP16ri8 killed [[COPY1]], 0, implicit-def $eflags
; CHECK-NEXT: JCC_1 %bb.6, 5, implicit killed $eflags
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.4:
; CHECK-NEXT: successors: %bb.2(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[DEF:%[0-9]+]]:gr16 = IMPLICIT_DEF
; CHECK-NEXT: JMP_1 %bb.2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.5:
; CHECK-NEXT: RET64
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.6:
bb.0:
successors: %bb.6(0x40000000), %bb.1(0x40000000)
%5:gr64 = MOV64rm $rip, 1, $noreg, target-flags(x86-gotpcrel) @b114, $noreg
%6:gr16 = MOV16rm killed %5, 1, $noreg, 0, $noreg :: (load (s16) from @b114, align 1)
TEST8ri undef %4:gr8, 1, implicit-def $eflags
JCC_1 %bb.6, 5, implicit killed $eflags
bb.1:
successors: %bb.2(0x80000000)
JMP_1 %bb.2
bb.2:
successors: %bb.5(0x40000000), %bb.4(0x40000000)
%1:gr16 = PHI %6, %bb.1, undef %10:gr16, %bb.5
dead %2:gr16 = PHI undef %6, %bb.1, undef %3:gr16, %bb.5
TEST8ri undef %7:gr8, 1, implicit-def $eflags
JCC_1 %bb.5, 5, implicit killed $eflags
JMP_1 %bb.4
bb.4:
successors: %bb.7(0x40000000), %bb.5(0x40000000)
%8:gr32 = MOV32r0 implicit-def dead $eflags
%9:gr16 = COPY killed %8.sub_16bit
CMP16ri8 killed %1, 0, implicit-def $eflags
JCC_1 %bb.7, 5, implicit killed $eflags
bb.5:
successors: %bb.2(0x80000000)
JMP_1 %bb.2
bb.6:
RET64
bb.7:
...
|
