forked from OSchip/llvm-project
171 lines
3.9 KiB
YAML
171 lines
3.9 KiB
YAML
# RUN: llc -mtriple arm-- -run-pass=legalizer %s -o - | FileCheck %s
|
|
# RUN: llc -mtriple thumb-- -mattr=+v6t2 -run-pass=legalizer %s -o - | FileCheck %s
|
|
--- |
|
|
define void @test_brcond() { ret void }
|
|
|
|
define void @test_phi_s32() { ret void }
|
|
define void @test_phi_p0() { ret void }
|
|
define void @test_phi_s8() { ret void }
|
|
...
|
|
---
|
|
name: test_brcond
|
|
# CHECK-LABEL: name: test_brcond
|
|
legalized: false
|
|
# CHECK: legalized: true
|
|
regBankSelected: false
|
|
selected: false
|
|
tracksRegLiveness: true
|
|
registers:
|
|
- { id: 0, class: _ }
|
|
- { id: 1, class: _ }
|
|
- { id: 2, class: _ }
|
|
body: |
|
|
bb.0:
|
|
successors: %bb.1(0x40000000), %bb.2(0x40000000)
|
|
liveins: $r0, $r1
|
|
|
|
%0(s32) = COPY $r0
|
|
%1(s32) = COPY $r1
|
|
%2(s1) = G_ICMP intpred(sgt), %0(s32), %1
|
|
G_BRCOND %2(s1), %bb.1
|
|
; G_BRCOND with s1 is legal, so we should find it unchanged in the output
|
|
; CHECK: G_BRCOND {{%[0-9]+}}(s1), %bb.1
|
|
G_BR %bb.2
|
|
|
|
bb.1:
|
|
$r0 = COPY %1(s32)
|
|
BX_RET 14, $noreg, implicit $r0
|
|
|
|
bb.2:
|
|
$r0 = COPY %0(s32)
|
|
BX_RET 14, $noreg, implicit $r0
|
|
|
|
...
|
|
---
|
|
name: test_phi_s32
|
|
# CHECK-LABEL: name: test_phi_s32
|
|
legalized: false
|
|
# CHECK: legalized: true
|
|
regBankSelected: false
|
|
selected: false
|
|
tracksRegLiveness: true
|
|
registers:
|
|
- { id: 0, class: _ }
|
|
- { id: 1, class: _ }
|
|
- { id: 2, class: _ }
|
|
- { id: 3, class: _ }
|
|
- { id: 4, class: _ }
|
|
body: |
|
|
bb.0:
|
|
liveins: $r0, $r1, $r2
|
|
|
|
%0(s32) = COPY $r0
|
|
%1(s1) = G_TRUNC %0(s32)
|
|
|
|
%2(s32) = COPY $r1
|
|
%3(s32) = COPY $r2
|
|
|
|
G_BRCOND %1(s1), %bb.1
|
|
G_BR %bb.2
|
|
|
|
bb.1:
|
|
G_BR %bb.2
|
|
|
|
bb.2:
|
|
%4(s32) = G_PHI %2(s32), %bb.0, %3(s32), %bb.1
|
|
; G_PHI with s32 is legal, so we should find it unchanged in the output
|
|
; CHECK: G_PHI {{%[0-9]+}}(s32), %bb.0, {{%[0-9]+}}(s32), %bb.1
|
|
$r0 = COPY %4(s32)
|
|
BX_RET 14, $noreg, implicit $r0
|
|
...
|
|
---
|
|
name: test_phi_p0
|
|
# CHECK-LABEL: name: test_phi_p0
|
|
legalized: false
|
|
# CHECK: legalized: true
|
|
regBankSelected: false
|
|
selected: false
|
|
tracksRegLiveness: true
|
|
registers:
|
|
- { id: 0, class: _ }
|
|
- { id: 1, class: _ }
|
|
- { id: 2, class: _ }
|
|
- { id: 3, class: _ }
|
|
- { id: 4, class: _ }
|
|
body: |
|
|
bb.0:
|
|
liveins: $r0, $r1, $r2
|
|
|
|
%0(s32) = COPY $r0
|
|
%1(s1) = G_TRUNC %0(s32)
|
|
|
|
%2(p0) = COPY $r1
|
|
%3(p0) = COPY $r2
|
|
|
|
G_BRCOND %1(s1), %bb.1
|
|
G_BR %bb.2
|
|
|
|
bb.1:
|
|
G_BR %bb.2
|
|
|
|
bb.2:
|
|
%4(p0) = G_PHI %2(p0), %bb.0, %3(p0), %bb.1
|
|
; G_PHI with p0 is legal, so we should find it unchanged in the output
|
|
; CHECK: G_PHI {{%[0-9]+}}(p0), %bb.0, {{%[0-9]+}}(p0), %bb.1
|
|
$r0 = COPY %4(p0)
|
|
BX_RET 14, $noreg, implicit $r0
|
|
...
|
|
---
|
|
name: test_phi_s8
|
|
# CHECK-LABEL: name: test_phi_s8
|
|
legalized: false
|
|
# CHECK: legalized: true
|
|
regBankSelected: false
|
|
selected: false
|
|
tracksRegLiveness: true
|
|
registers:
|
|
- { id: 0, class: _ }
|
|
- { id: 1, class: _ }
|
|
- { id: 2, class: _ }
|
|
- { id: 3, class: _ }
|
|
- { id: 4, class: _ }
|
|
- { id: 5, class: _ }
|
|
- { id: 6, class: _ }
|
|
- { id: 7, class: _ }
|
|
body: |
|
|
bb.0:
|
|
liveins: $r0, $r1, $r2
|
|
|
|
%0(s32) = COPY $r0
|
|
%1(s1) = G_TRUNC %0(s32)
|
|
|
|
%2(s32) = COPY $r1
|
|
%3(s8) = G_TRUNC %2(s32)
|
|
; CHECK: [[R1:%[0-9]+]]:_(s32) = COPY $r1
|
|
|
|
%4(s32) = COPY $r2
|
|
%5(s8) = G_TRUNC %4(s32)
|
|
; CHECK: [[R2:%[0-9]+]]:_(s32) = COPY $r2
|
|
|
|
; CHECK: [[V1:%[0-9]+]]:_(s32) = COPY [[R1]]
|
|
|
|
G_BRCOND %1(s1), %bb.1
|
|
G_BR %bb.2
|
|
|
|
bb.1:
|
|
; CHECK: [[V2:%[0-9]+]]:_(s32) = COPY [[R2]]
|
|
G_BR %bb.2
|
|
|
|
bb.2:
|
|
%6(s8) = G_PHI %3(s8), %bb.0, %5(s8), %bb.1
|
|
; G_PHI with s8 should widen, and all the truncs and exts should be combined
|
|
; away into a bunch of redundant copies
|
|
; CHECK: [[V:%[0-9]+]]:_(s32) = G_PHI [[V1]](s32), %bb.0, [[V2]](s32), %bb.1
|
|
|
|
%7(s32) = G_ANYEXT %6(s8)
|
|
$r0 = COPY %7(s32)
|
|
; CHECK: [[R:%[0-9]+]]:_(s32) = COPY [[V]]
|
|
; CHECK: $r0 = COPY [[R]](s32)
|
|
BX_RET 14, $noreg, implicit $r0
|
|
...
|