| # RUN: llc -O0 -mtriple thumb-- -mattr=+v6t2 -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s |
| --- | |
| define void @test_phi_s32() { ret void } |
| ... |
| --- |
| name: test_phi_s32 |
| # CHECK-LABEL: name: test_phi_s32 |
| legalized: true |
| regBankSelected: true |
| selected: false |
| # CHECK: selected: true |
| tracksRegLiveness: true |
| registers: |
| - { id: 0, class: gprb } |
| - { id: 1, class: gprb } |
| - { id: 2, class: gprb } |
| - { id: 3, class: gprb } |
| - { id: 4, class: gprb } |
| body: | |
| bb.0: |
| ; CHECK: [[BB1:bb.0]]: |
| successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| liveins: $r0, $r1, $r2 |
| |
| %0(s32) = COPY $r0 |
| %1(s1) = G_TRUNC %0(s32) |
| |
| %2(s32) = COPY $r1 |
| %3(s32) = COPY $r2 |
| ; CHECK: [[V1:%[0-9]+]]:gpr = COPY $r1 |
| ; CHECK: [[V2:%[0-9]+]]:gpr = COPY $r2 |
| |
| G_BRCOND %1(s1), %bb.1 |
| G_BR %bb.2 |
| |
| bb.1: |
| ; CHECK: [[BB2:bb.1]]: |
| successors: %bb.2(0x80000000) |
| |
| G_BR %bb.2 |
| ; CHECK: B %bb.2 |
| |
| bb.2: |
| ; CHECK: bb.2 |
| %4(s32) = G_PHI %2(s32), %bb.0, %3(s32), %bb.1 |
| ; CHECK: {{%[0-9]+}}:gpr = PHI [[V1]], %[[BB1]], [[V2]], %[[BB2]] |
| |
| $r0 = COPY %4(s32) |
| BX_RET 14, $noreg, implicit $r0 |
| ... |