constrainOpWithReadfirstlane(MI, MRI, 3); // Index
return;
}
- case Intrinsic::amdgcn_ballot:
case Intrinsic::amdgcn_interp_p1:
case Intrinsic::amdgcn_interp_p2:
case Intrinsic::amdgcn_interp_mov:
case Intrinsic::amdgcn_ubfe:
applyMappingBFEIntrinsic(OpdMapper, false);
return;
+ case Intrinsic::amdgcn_ballot:
+ // Use default handling and insert copy to vcc source.
+ break;
}
break;
}
--- /dev/null
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect -regbankselect-fast -verify-machineinstrs -o - %s | FileCheck %s
+# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect -regbankselect-greedy -verify-machineinstrs -o - %s | FileCheck %s
+
+---
+name: ballot_sgpr_src
+legalized: true
+tracksRegLiveness: true
+body: |
+ bb.0:
+ liveins: $sgpr0
+ ; CHECK-LABEL: name: ballot_sgpr_src
+ ; CHECK: liveins: $sgpr0
+ ; 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: [[INT:%[0-9]+]]:sgpr(s64) = G_INTRINSIC intrinsic(@llvm.amdgcn.ballot), [[COPY1]](s1)
+ ; CHECK: S_ENDPGM 0, implicit [[INT]](s64)
+ %0:_(s32) = COPY $sgpr0
+ %1:_(s1) = G_TRUNC %0
+ %2:_(s64) = G_INTRINSIC intrinsic(@llvm.amdgcn.ballot), %1
+ S_ENDPGM 0, implicit %2
+...
+
+---
+name: ballot_vgpr_src
+legalized: true
+tracksRegLiveness: true
+body: |
+ bb.0:
+ liveins: $vgpr0
+ ; CHECK-LABEL: name: ballot_vgpr_src
+ ; CHECK: liveins: $vgpr0
+ ; 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: [[INT:%[0-9]+]]:sgpr(s64) = G_INTRINSIC intrinsic(@llvm.amdgcn.ballot), [[COPY1]](s1)
+ ; CHECK: S_ENDPGM 0, implicit [[INT]](s64)
+ %0:_(s32) = COPY $vgpr0
+ %1:_(s1) = G_TRUNC %0
+ %2:_(s64) = G_INTRINSIC intrinsic(@llvm.amdgcn.ballot), %1
+ S_ENDPGM 0, implicit %2
+...
+
+---
+name: ballot_vcc_src
+legalized: true
+tracksRegLiveness: true
+body: |
+ bb.0:
+ liveins: $vgpr0, $vgpr1
+ ; CHECK-LABEL: name: ballot_vcc_src
+ ; CHECK: liveins: $vgpr0, $vgpr1
+ ; 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(eq), [[COPY]](s32), [[COPY1]]
+ ; CHECK: [[INT:%[0-9]+]]:sgpr(s64) = G_INTRINSIC intrinsic(@llvm.amdgcn.ballot), [[ICMP]](s1)
+ ; CHECK: S_ENDPGM 0, implicit [[INT]](s64)
+ %0:_(s32) = COPY $vgpr0
+ %1:_(s32) = COPY $vgpr1
+ %2:_(s1) = G_ICMP intpred(eq), %0, %1
+ %3:_(s64) = G_INTRINSIC intrinsic(@llvm.amdgcn.ballot), %2
+ S_ENDPGM 0, implicit %3
+...