[DPWBS-1387] Add legality rules for G_FCOPYSIGN

llvm/lib/Target/TriCore/TriCoreLegalizerInfo.cpp

@@ -169,6 +169,9 @@ TriCoreLegalizerInfo::TriCoreLegalizerInfo(const TriCoreSubtarget &ST) {
 
   // Floating point Ops
 
+  // G_FCOPYSIGN is legal for s32 and s64 types
+  getActionDefinitionsBuilder(G_FCOPYSIGN).legalFor({{s32, s32}, {s64, s64}});
+
   // G_FMINNUM and G_FMAXNUM are legal for tc18 otherwise it should be lowered
   auto &FMinNumMaxNumActions =
       getActionDefinitionsBuilder({G_FMAXNUM, G_FMINNUM})

llvm/test/CodeGen/TriCore/GlobalIsel/legalize-fcopysign.mir

@@ -0,0 +1,35 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -O0 -mtriple=tricore -global-isel -run-pass=legalizer \
+# RUN:   -verify-machineinstrs %s -o - | FileCheck %s
+
+---
+name:            fcopysign_s32
+body:             |
+  bb.0.entry:
+
+    ; CHECK-LABEL: name: fcopysign_s32
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $d4
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $d5
+    ; CHECK: [[FCOPYSIGN:%[0-9]+]]:_(s32) = G_FCOPYSIGN [[COPY]], [[COPY1]](s32)
+    ; CHECK: $d4 = COPY [[FCOPYSIGN]](s32)
+    %0:_(s32) = COPY $d4
+    %1:_(s32) = COPY $d5
+    %2:_(s32) = G_FCOPYSIGN %0, %1
+    $d4 = COPY %2(s32)
+...
+
+---
+name:            fcopysign_s64
+body:             |
+  bb.0.entry:
+
+    ; CHECK-LABEL: name: fcopysign_s64
+    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $e4
+    ; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $e6
+    ; CHECK: [[FCOPYSIGN:%[0-9]+]]:_(s64) = G_FCOPYSIGN [[COPY]], [[COPY1]](s64)
+    ; CHECK: $e4 = COPY [[FCOPYSIGN]](s64)
+    %0:_(s64) = COPY $e4
+    %1:_(s64) = COPY $e6
+    %2:_(s64) = G_FCOPYSIGN %0, %1
+    $e4 = COPY %2(s64)
+...