1 files changed, 37 insertions, 0 deletions
diff --git a/llvm/test/Transforms/WholeProgramDevirt/import-no-dominating-assume.ll b/llvm/test/Transforms/WholeProgramDevirt/import-no-dominating-assume.ll
new file mode 100644
index 00000000000..b652ea4afe7
--- /dev/null
+++ b/llvm/test/Transforms/WholeProgramDevirt/import-no-dominating-assume.ll
@@ -0,0 +1,37 @@
+; RUN: opt -S -wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-vcp.yaml < %s | FileCheck %s
+
+target datalayout = "e-p:64:64"
+target triple = "x86_64-unknown-linux-gnu"
+
+define i32 @call1(i1 %a, i8* %obj) {
+  %vtableptr = bitcast i8* %obj to [3 x i8*]**
+  %vtable = load [3 x i8*]*, [3 x i8*]** %vtableptr
+  br i1 %a, label %bb1, label %bb2
+
+bb1:
+  ; CHECK: {{.*}} = bitcast {{.*}} to i8*
+  %vtablei8_1 = bitcast [3 x i8*]* %vtable to i8*
+  %p1 = call i1 @llvm.type.test(i8* %vtablei8_1, metadata !"typeid1")
+  call void @llvm.assume(i1 %p1)
+  %fptrptr1 = getelementptr [3 x i8*], [3 x i8*]* %vtable, i32 0, i32 0
+  %fptr1 = load i8*, i8** %fptrptr1
+  %fptr1_casted = bitcast i8* %fptr1 to i32 (i8*, i32)*
+  ; CHECK: {{.*}} = bitcast {{.*}} to i8*
+  %result1 = call i32 %fptr1_casted(i8* %obj, i32 1)
+  br label %bb2
+
+  ; CHECK: :
+bb2:
+  %vtablei8_2 = bitcast [3 x i8*]* %vtable to i8*
+  %p = call i1 @llvm.type.test(i8* %vtablei8_2, metadata !"typeid1")
+  call void @llvm.assume(i1 %p)
+  %fptrptr2 = getelementptr [3 x i8*], [3 x i8*]* %vtable, i32 0, i32 0
+  %fptr2 = load i8*, i8** %fptrptr2
+  %fptr2_casted = bitcast i8* %fptr2 to i32 (i8*, i32)*
+  ; CHECK: {{.*}} = bitcast {{.*}} to i8*
+  %result2 = call i32 %fptr2_casted(i8* %obj, i32 1)
+  ret i32 %result2
+}
+
+declare void @llvm.assume(i1)
+declare i1 @llvm.type.test(i8*, metadata)