# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn -mcpu=fiji -run-pass=amdgpu-regbankselect %s -verify-machineinstrs -o - -regbankselect-fast | FileCheck %s
# RUN: llc -mtriple=amdgcn -mcpu=fiji -run-pass=amdgpu-regbankselect %s -verify-machineinstrs -o - -regbankselect-greedy | FileCheck %s
---
name: brcond_vcc_cond
legalized: true
body: |
; CHECK-LABEL: name: brcond_vcc_cond
; CHECK: bb.0.entry:
; CHECK-NEXT: successors: %bb.1(0x80000000)
; CHECK-NEXT: liveins: $vgpr0, $vgpr1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
; CHECK-NEXT: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[COPY1]]
; CHECK-NEXT: G_BRCOND [[ICMP]](s1), %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
bb.0.entry:
successors: %bb.1
liveins: $vgpr0, $vgpr1
%0:_(s32) = COPY $vgpr0
%1:_(s32) = COPY $vgpr1
%2:_(s1) = G_ICMP intpred(ne), %0, %1
G_BRCOND %2, %bb.1
bb.1:
...
---
name: brcond_scc_cond
legalized: true
body: |
; CHECK-LABEL: name: brcond_scc_cond
; CHECK: bb.0.entry:
; CHECK-NEXT: successors: %bb.1(0x80000000)
; CHECK-NEXT: liveins: $sgpr0, $sgpr1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
; CHECK-NEXT: [[ICMP:%[0-9]+]]:sgpr(s32) = G_ICMP intpred(ne), [[COPY]](s32), [[COPY1]]
; CHECK-NEXT: [[TRUNC:%[0-9]+]]:sgpr(s1) = G_TRUNC [[ICMP]](s32)
; CHECK-NEXT: [[ZEXT:%[0-9]+]]:sgpr(s32) = G_ZEXT [[TRUNC]](s1)
; CHECK-NEXT: G_BRCOND [[ZEXT]](s32), %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
bb.0.entry:
successors: %bb.1
liveins: $sgpr0, $sgpr1
%0:_(s32) = COPY $sgpr0
%1:_(s32) = COPY $sgpr1
%2:_(s1) = G_ICMP intpred(ne), %0, %1
G_BRCOND %2, %bb.1
bb.1:
...
---
name: brcond_sgpr_cond
legalized: true
body: |
; CHECK-LABEL: name: brcond_sgpr_cond
; CHECK: bb.0.entry:
; CHECK-NEXT: successors: %bb.1(0x80000000)
; CHECK-NEXT: liveins: $sgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; CHECK-NEXT: [[TRUNC:%[0-9]+]]:sgpr(s1) = G_TRUNC [[COPY]](s32)
; CHECK-NEXT: [[ZEXT:%[0-9]+]]:sgpr(s32) = G_ZEXT [[TRUNC]](s1)
; CHECK-NEXT: G_BRCOND [[ZEXT]](s32), %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
bb.0.entry:
successors: %bb.1
liveins: $sgpr0
%0:_(s32) = COPY $sgpr0
%1:_(s1) = G_TRUNC %0
G_BRCOND %1, %bb.1
bb.1:
...
---
name: brcond_vgpr_cond
legalized: true
body: |
; CHECK-LABEL: name: brcond_vgpr_cond
; CHECK: bb.0.entry:
; CHECK-NEXT: successors: %bb.1(0x80000000)
; CHECK-NEXT: liveins: $vgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
; CHECK-NEXT: [[TRUNC:%[0-9]+]]:vgpr(s1) = G_TRUNC [[COPY]](s32)
; CHECK-NEXT: [[COPY1:%[0-9]+]]:vcc(s1) = COPY [[TRUNC]](s1)
; CHECK-NEXT: G_BRCOND [[COPY1]](s1), %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
bb.0.entry:
successors: %bb.1
liveins: $vgpr0
%0:_(s32) = COPY $vgpr0
%1:_(s1) = G_TRUNC %0
G_BRCOND %1, %bb.1
bb.1:
...
# The terminator that needs handling is the only instruction in the
# block.
---
name: empty_block_vgpr_brcond
legalized: true
body: |
; CHECK-LABEL: name: empty_block_vgpr_brcond
; CHECK: bb.0.entry:
; CHECK-NEXT: successors: %bb.1(0x80000000)
; CHECK-NEXT: liveins: $vgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
; CHECK-NEXT: [[TRUNC:%[0-9]+]]:vgpr(s1) = G_TRUNC [[COPY]](s32)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY1:%[0-9]+]]:vcc(s1) = COPY [[TRUNC]](s1)
; CHECK-NEXT: G_BRCOND [[COPY1]](s1), %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
bb.0.entry:
successors: %bb.1
liveins: $vgpr0
%0:_(s32) = COPY $vgpr0
%1:_(s1) = G_TRUNC %0
bb.1:
G_BRCOND %1, %bb.1
bb.2:
...
# Make sure the first instruction in the block isn't skipped.
---
name: copy_first_inst_brcond
legalized: true
body: |
; CHECK-LABEL: name: copy_first_inst_brcond
; CHECK: bb.0.entry:
; CHECK-NEXT: successors: %bb.1(0x80000000)
; CHECK-NEXT: liveins: $vgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[TRUNC:%[0-9]+]]:vgpr(s1) = G_TRUNC [[COPY]](s32)
; CHECK-NEXT: [[COPY1:%[0-9]+]]:vcc(s1) = COPY [[TRUNC]](s1)
; CHECK-NEXT: G_BRCOND [[COPY1]](s1), %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
bb.0.entry:
successors: %bb.1
liveins: $vgpr0
%0:_(s32) = COPY $vgpr0
bb.1:
%1:_(s1) = G_TRUNC %0
G_BRCOND %1, %bb.1
bb.2:
...
# Extra instruction separates brcond from the condition def
---
name: copy_middle_inst_brcond
legalized: true
body: |
; CHECK-LABEL: name: copy_middle_inst_brcond
; CHECK: bb.0.entry:
; CHECK-NEXT: successors: %bb.1(0x80000000)
; CHECK-NEXT: liveins: $vgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[TRUNC:%[0-9]+]]:vgpr(s1) = G_TRUNC [[COPY]](s32)
; CHECK-NEXT: S_NOP 0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:vcc(s1) = COPY [[TRUNC]](s1)
; CHECK-NEXT: G_BRCOND [[COPY1]](s1), %bb.1
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
bb.0.entry:
successors: %bb.1
liveins: $vgpr0
%0:_(s32) = COPY $vgpr0
bb.1:
%1:_(s1) = G_TRUNC %0
S_NOP 0
G_BRCOND %1, %bb.1
bb.2:
...
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