[PATCH] D93927: [ArgPromotion] Copy !range metadata for loads.

[Chenguang Wang via Phabricator via llvm-commits]

wecing updated this revision to Diff 315275.
wecing added a comment.

Copy all metadata.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D93927/new/

https://reviews.llvm.org/D93927

Files:
  llvm/lib/Transforms/IPO/ArgumentPromotion.cpp
  llvm/test/Transforms/ArgumentPromotion/metadata.ll


Index: llvm/test/Transforms/ArgumentPromotion/metadata.ll
===================================================================
--- llvm/test/Transforms/ArgumentPromotion/metadata.ll
+++ llvm/test/Transforms/ArgumentPromotion/metadata.ll
@@ -20,4 +20,25 @@
   ret i32 %2
 }
 
+define i32* @should_copy_nonnull({ i32*, i32* }* %x) {
+; CHECK-LABEL: define i32* @should_copy_nonnull(
+; CHECK:         %x.idx = getelementptr { i32*, i32* }, { i32*, i32* }* %x, i64 0, i32 0
+; CHECK-NEXT:    %x.idx.val = load i32*, i32** %x.idx, align 4, !nonnull !1
+; CHECK-NEXT:    %1 = call i32* @f_load_nonnull(i32* %x.idx.val)
+; CHECK-NEXT:    ret i32* %1
+;
+  %1 = call i32* @f_load_nonnull({ i32*, i32* }* %x)
+  ret i32* %1
+}
+
+define internal i32* @f_load_nonnull({ i32*, i32* }* %v) {
+; CHECK-LABEL: define internal i32* @f_load_nonnull(
+; CHECK:         ret i32*
+;
+  %1 = getelementptr inbounds { i32*, i32* }, { i32*, i32* }* %v, i64 0, i32 0
+  %2 = load i32*, i32** %1, align 4, !nonnull !1
+  ret i32* %2
+}
+
 !0 = !{i32 0, i32 4}
+!1 = !{}
Index: llvm/lib/Transforms/IPO/ArgumentPromotion.cpp
===================================================================
--- llvm/lib/Transforms/IPO/ArgumentPromotion.cpp
+++ llvm/lib/Transforms/IPO/ArgumentPromotion.cpp
@@ -302,12 +302,8 @@
           LoadInst *newLoad =
               IRB.CreateLoad(OrigLoad->getType(), V, V->getName() + ".val");
           newLoad->setAlignment(OrigLoad->getAlign());
-          // Transfer the AA info too.
-          AAMDNodes AAInfo;
-          OrigLoad->getAAMetadata(AAInfo);
-          newLoad->setAAMetadata(AAInfo);
-          // And other metadata.
-          newLoad->copyMetadata(*OrigLoad, {LLVMContext::MD_range});
+          // Transfer all metadata too.
+          newLoad->copyMetadata(*OrigLoad);
 
           Args.push_back(newLoad);
           ArgAttrVec.push_back(AttributeSet());


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