DstBank = SrcBank;
unsigned Size = getSizeInBits(MI.getOperand(0).getReg(), MRI, *TRI);
- if (cannotCopy(*DstBank, *SrcBank, Size))
+ if (MI.getOpcode() != AMDGPU::G_FREEZE &&
+ cannotCopy(*DstBank, *SrcBank, Size))
return getInvalidInstructionMapping();
const ValueMapping &ValMap = getValueMapping(0, Size, *DstBank);
...
---
+name: test_freeze_s1_sgpr_to_sgpr
+legalized: true
+body: |
+ bb.0:
+ liveins: $sgpr0
+
+ ; CHECK-LABEL: name: test_freeze_s1_sgpr_to_sgpr
+ ; CHECK: 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: [[FREEZE:%[0-9]+]]:sgpr(s1) = G_FREEZE [[TRUNC]]
+ ; CHECK-NEXT: [[ANYEXT:%[0-9]+]]:sgpr(s32) = G_ANYEXT [[FREEZE]](s1)
+ ; CHECK-NEXT: $sgpr0 = COPY [[ANYEXT]](s32)
+ %0:_(s32) = COPY $sgpr0
+ %1:_(s1) = G_TRUNC %0(s32)
+ %2:_(s1) = G_FREEZE %1
+ %3:_(s32) = G_ANYEXT %2(s1)
+ $sgpr0 = COPY %3(s32)
+
+...
+
+---
name: test_freeze_s1_vcc
legalized: true