| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect %s -verify-machineinstrs -o - -regbankselect-fast | FileCheck %s |
| # RUN: llc -march=amdgcn -mcpu=fiji -run-pass=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: successors: %bb.1(0x80000000) |
| ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0 |
| ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1 |
| ; CHECK: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[COPY1]] |
| ; CHECK: G_BRCOND [[ICMP]](s1), %bb.1 |
| ; CHECK: 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: successors: %bb.1(0x80000000) |
| ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0 |
| ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1 |
| ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[COPY1]] |
| ; CHECK: G_BRCOND [[ICMP]](s1), %bb.1 |
| ; CHECK: 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: successors: %bb.1(0x80000000) |
| ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0 |
| ; CHECK: [[TRUNC:%[0-9]+]]:sgpr(s1) = G_TRUNC [[COPY]](s32) |
| ; CHECK: [[COPY1:%[0-9]+]]:vcc(s1) = COPY [[TRUNC]](s1) |
| ; CHECK: G_BRCOND [[COPY1]](s1), %bb.1 |
| ; CHECK: 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: successors: %bb.1(0x80000000) |
| ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0 |
| ; CHECK: [[TRUNC:%[0-9]+]]:vgpr(s1) = G_TRUNC [[COPY]](s32) |
| ; CHECK: [[COPY1:%[0-9]+]]:vcc(s1) = COPY [[TRUNC]](s1) |
| ; CHECK: G_BRCOND [[COPY1]](s1), %bb.1 |
| ; CHECK: 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: successors: %bb.1(0x80000000) |
| ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0 |
| ; CHECK: [[TRUNC:%[0-9]+]]:vgpr(s1) = G_TRUNC [[COPY]](s32) |
| ; CHECK: bb.1: |
| ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| ; CHECK: [[COPY1:%[0-9]+]]:vcc(s1) = COPY [[TRUNC]](s1) |
| ; CHECK: G_BRCOND [[COPY1]](s1), %bb.1 |
| ; CHECK: 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: successors: %bb.1(0x80000000) |
| ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0 |
| ; CHECK: bb.1: |
| ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| ; CHECK: [[TRUNC:%[0-9]+]]:vgpr(s1) = G_TRUNC [[COPY]](s32) |
| ; CHECK: [[COPY1:%[0-9]+]]:vcc(s1) = COPY [[TRUNC]](s1) |
| ; CHECK: G_BRCOND [[COPY1]](s1), %bb.1 |
| ; CHECK: 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: successors: %bb.1(0x80000000) |
| ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0 |
| ; CHECK: bb.1: |
| ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| ; CHECK: [[TRUNC:%[0-9]+]]:vgpr(s1) = G_TRUNC [[COPY]](s32) |
| ; CHECK: S_NOP 0 |
| ; CHECK: [[COPY1:%[0-9]+]]:vcc(s1) = COPY [[TRUNC]](s1) |
| ; CHECK: G_BRCOND [[COPY1]](s1), %bb.1 |
| ; CHECK: 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: |
| ... |