[PATCH] D63022: [GlobalISel] IRTranslator: Translate the intrinsics ignored by CodeGen

[Volkan Keles via Phabricator via llvm-commits]

volkan updated this revision to Diff 203605.
Herald added a subscriber: hiraditya.

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D63022/new/

https://reviews.llvm.org/D63022

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
@@ -2390,3 +2390,30 @@
   %y = call float @llvm.rint.f32(float %x)
   ret float %y
 }
+
+declare void @llvm.assume(i1)
+define void @test_assume(i1 %x) {
+  ; CHECK-LABEL: name:            test_assume
+  ; CHECK-NOT: llvm.assume
+  ; CHECK: RET_ReallyLR
+  call void @llvm.assume(i1 %x)
+  ret void
+}
+
+declare void @llvm.sideeffect()
+define void @test_sideeffect() {
+  ; CHECK-LABEL: name:            test_sideeffect
+  ; CHECK-NOT: llvm.sideeffect
+  ; CHECK: RET_ReallyLR
+  call void @llvm.sideeffect()
+  ret void
+}
+
+declare void @llvm.var.annotation(i8*, i8*, i8*, i32)
+define void @test_var_annotation(i8*, i8*, i8*, i32) {
+  ; CHECK-LABEL: name:            test_var_annotation
+  ; CHECK-NOT: llvm.var.annotation
+  ; CHECK: RET_ReallyLR
+  call void @llvm.var.annotation(i8* %0, i8* %1, i8* %2, i32 %3)
+  ret void
+}
Index: llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
===================================================================
--- llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
+++ llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
@@ -1108,6 +1108,11 @@
   }
   case Intrinsic::invariant_end:
     return true;
+  case Intrinsic::assume:
+  case Intrinsic::var_annotation:
+  case Intrinsic::sideeffect:
+    // Discard annotate attributes, assumptions, and artificial side-effects.
+    return true;
   }
   return false;
 }


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