[PATCH] D108418: [GlobalISel] Add IRTranslator support for @llvm.lround.* -> G_LROUND

[Jessica Paquette via Phabricator via llvm-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG3207ed196c75: [GlobalISel] Add IRTranslator support for @llvm.lround.* -> G_LROUND (authored by paquette).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D108418/new/

https://reviews.llvm.org/D108418

Files:
  llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
  llvm/test/CodeGen/AArch64/GlobalISel/arm64-irtranslator.ll


Index: llvm/test/CodeGen/AArch64/GlobalISel/arm64-irtranslator.ll
===================================================================
--- llvm/test/CodeGen/AArch64/GlobalISel/arm64-irtranslator.ll
+++ llvm/test/CodeGen/AArch64/GlobalISel/arm64-irtranslator.ll
@@ -2457,3 +2457,16 @@
 }
 
 !0 = !{ i64 0, i64 2 }
+
+declare i64 @llvm.lround.i64.f32(float) nounwind readnone
+define i64 @lround(float %x) {
+  ; CHECK-LABEL: name: lround
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   liveins: $s0
+  ; CHECK:   [[COPY:%[0-9]+]]:_(s32) = COPY $s0
+  ; CHECK:   [[LROUND:%[0-9]+]]:_(s64) = G_LROUND [[COPY]](s32)
+  ; CHECK:   $x0 = COPY [[LROUND]](s64)
+  ; CHECK:   RET_ReallyLR implicit $x0
+  %lround = tail call i64 @llvm.lround.i64.f32(float %x)
+  ret i64 %lround
+}
Index: llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
===================================================================
--- llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
+++ llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
@@ -1763,6 +1763,8 @@
       return TargetOpcode::G_VECREDUCE_UMAX;
     case Intrinsic::vector_reduce_umin:
       return TargetOpcode::G_VECREDUCE_UMIN;
+    case Intrinsic::lround:
+      return TargetOpcode::G_LROUND;
   }
   return Intrinsic::not_intrinsic;
 }


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