commit 59675ba0f83141385b286433e7ae82a3bbb3d1f6
author Peter Collingbourne <peter@pcc.me.uk> Fri Mar 10 20:09:11 2017 +0000
committer Peter Collingbourne <peter@pcc.me.uk> Fri Mar 10 20:09:11 2017 +0000
tree acd8a529a8d5fe7d438e7b0c1f33a555ed308e43
parent 7b79321e885e7b0c7a27127656d419ccbff4e6d2

WholeProgramDevirt: Implement export/import support for unique ret val opt.

Differential Revision: https://reviews.llvm.org/D29917

llvm-svn: 297502

llvm/test/Transforms/WholeProgramDevirt/import.ll

diff --git a/llvm/test/Transforms/WholeProgramDevirt/import.ll b/llvm/test/Transforms/WholeProgramDevirt/import.ll
index b54eeb7..6057c68 100644
--- a/llvm/test/Transforms/WholeProgramDevirt/import.ll
+++ b/llvm/test/Transforms/WholeProgramDevirt/import.ll
@@ -1,5 +1,7 @@
 ; RUN: opt -S -wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-single-impl.yaml < %s | FileCheck --check-prefixes=CHECK,SINGLE-IMPL %s
 ; RUN: opt -S -wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-uniform-ret-val.yaml < %s | FileCheck --check-prefixes=CHECK,UNIFORM-RET-VAL %s
+; RUN: opt -S -wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-unique-ret-val0.yaml < %s | FileCheck --check-prefixes=CHECK,UNIQUE-RET-VAL0 %s
+; RUN: opt -S -wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-unique-ret-val1.yaml < %s | FileCheck --check-prefixes=CHECK,UNIQUE-RET-VAL1 %s
 
 target datalayout = "e-p:64:64"
 target triple = "x86_64-unknown-linux-gnu"
@@ -41,6 +43,8 @@
   %fptr_casted = bitcast i8* %fptr to i1 (i8*, i32)*
   ; SINGLE-IMPL: call i1 bitcast (void ()* @singleimpl2 to i1 (i8*, i32)*)
   ; UNIFORM-RET-VAL: call i1 %
+  ; UNIQUE-RET-VAL0: call i1 %
+  ; UNIQUE-RET-VAL1: call i1 %
   %result = call i1 %fptr_casted(i8* %obj, i32 undef)
   ret i1 %result
 
@@ -49,6 +53,28 @@
   unreachable
 }
 
+; CHECK: define i1 @call3
+define i1 @call3(i8* %obj) {
+  %vtableptr = bitcast i8* %obj to [1 x i8*]**
+  %vtable = load [1 x i8*]*, [1 x i8*]** %vtableptr
+  %vtablei8 = bitcast [1 x i8*]* %vtable to i8*
+  %pair = call {i8*, i1} @llvm.type.checked.load(i8* %vtablei8, i32 8, metadata !"typeid2")
+  %fptr = extractvalue {i8*, i1} %pair, 0
+  %p = extractvalue {i8*, i1} %pair, 1
+  br i1 %p, label %cont, label %trap
+
+cont:
+  %fptr_casted = bitcast i8* %fptr to i1 (i8*, i32)*
+  %result = call i1 %fptr_casted(i8* %obj, i32 3)
+  ; UNIQUE-RET-VAL0: icmp ne i8* %vtablei8, @__typeid_typeid2_8_3_unique_member
+  ; UNIQUE-RET-VAL1: icmp eq i8* %vtablei8, @__typeid_typeid2_8_3_unique_member
+  ret i1 %result
+
+trap:
+  call void @llvm.trap()
+  unreachable
+}
+
 ; SINGLE-IMPL-DAG: declare void @singleimpl1()
 ; SINGLE-IMPL-DAG: declare void @singleimpl2()