| # 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: |
| ... |