1 ; RUN: opt -S -passes=wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-single-impl.yaml < %s | FileCheck --check-prefixes=CHECK,SINGLE-IMPL %s
2 ; RUN: opt -S -passes=wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-uniform-ret-val.yaml < %s | FileCheck --check-prefixes=CHECK,INDIR,UNIFORM-RET-VAL %s
3 ; RUN: opt -S -passes=wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-unique-ret-val0.yaml < %s | FileCheck --check-prefixes=CHECK,INDIR,UNIQUE-RET-VAL0 %s
4 ; RUN: opt -S -passes=wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-unique-ret-val1.yaml < %s | FileCheck --check-prefixes=CHECK,INDIR,UNIQUE-RET-VAL1 %s
5 ; RUN: opt -S -passes=wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-vcp.yaml < %s | FileCheck --check-prefixes=CHECK,VCP,VCP-X86,VCP64,INDIR %s
6 ; RUN: opt -S -passes=wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-vcp.yaml -mtriple=i686-unknown-linux -data-layout=e-p:32:32 < %s | FileCheck --check-prefixes=CHECK,VCP,VCP-X86,VCP32 %s
7 ; RUN: opt -S -passes=wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-vcp.yaml -mtriple=armv7-unknown-linux -data-layout=e-p:32:32 < %s | FileCheck --check-prefixes=CHECK,VCP,VCP-ARM %s
8 ; RUN: opt -S -passes=wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-vcp-branch-funnel.yaml < %s | FileCheck --check-prefixes=CHECK,VCP,VCP-X86,VCP64,BRANCH-FUNNEL %s
9 ; RUN: opt -S -passes=wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-branch-funnel.yaml < %s | FileCheck --check-prefixes=CHECK,BRANCH-FUNNEL,BRANCH-FUNNEL-NOVCP %s
11 target datalayout = "e-p:64:64"
12 target triple = "x86_64-unknown-linux-gnu"
14 ; VCP-X86: @__typeid_typeid1_0_1_byte = external hidden global [0 x i8], !absolute_symbol !0
15 ; VCP-X86: @__typeid_typeid1_0_1_bit = external hidden global [0 x i8], !absolute_symbol !1
16 ; VCP-X86: @__typeid_typeid2_8_3_byte = external hidden global [0 x i8], !absolute_symbol !0
17 ; VCP-X86: @__typeid_typeid2_8_3_bit = external hidden global [0 x i8], !absolute_symbol !1
19 ; Test cases where the argument values are known and we can apply virtual
20 ; constant propagation.
22 ; CHECK: define i32 @call1
23 define i32 @call1(i8* %obj) #0 {
24 %vtableptr = bitcast i8* %obj to [3 x i8*]**
25 %vtable = load [3 x i8*]*, [3 x i8*]** %vtableptr
26 %vtablei8 = bitcast [3 x i8*]* %vtable to i8*
27 %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid1")
28 call void @llvm.assume(i1 %p)
29 %fptrptr = getelementptr [3 x i8*], [3 x i8*]* %vtable, i32 0, i32 0
30 %fptr = load i8*, i8** %fptrptr
31 %fptr_casted = bitcast i8* %fptr to i32 (i8*, i32)*
32 ; CHECK: {{.*}} = bitcast {{.*}} to i8*
33 ; VCP: [[VT1:%.*]] = bitcast {{.*}} to i8*
34 ; SINGLE-IMPL: call i32 bitcast (void ()* @singleimpl1 to i32 (i8*, i32)*)
35 %result = call i32 %fptr_casted(i8* %obj, i32 1)
36 ; UNIFORM-RET-VAL: ret i32 42
37 ; VCP-X86: [[GEP1:%.*]] = getelementptr i8, i8* [[VT1]], i32 ptrtoint ([0 x i8]* @__typeid_typeid1_0_1_byte to i32)
38 ; VCP-ARM: [[GEP1:%.*]] = getelementptr i8, i8* [[VT1]], i32 42
39 ; VCP: [[BC1:%.*]] = bitcast i8* [[GEP1]] to i32*
40 ; VCP: [[LOAD1:%.*]] = load i32, i32* [[BC1]]
41 ; VCP: ret i32 [[LOAD1]]
42 ; BRANCH-FUNNEL-NOVCP: [[VT1:%.*]] = bitcast {{.*}} to i8*
43 ; BRANCH-FUNNEL-NOVCP: call i32 bitcast (void ()* @__typeid_typeid1_0_branch_funnel to i32 (i8*, i8*, i32)*)(i8* nest [[VT1]], i8* %obj, i32 1)
47 ; Test cases where the argument values are unknown, so we cannot apply virtual
48 ; constant propagation.
50 ; CHECK: define i1 @call2
51 define i1 @call2(i8* %obj) #0 {
52 ; BRANCH-FUNNEL: [[VT1:%.*]] = bitcast {{.*}} to i8*
53 %vtableptr = bitcast i8* %obj to [1 x i8*]**
54 %vtable = load [1 x i8*]*, [1 x i8*]** %vtableptr
55 %vtablei8 = bitcast [1 x i8*]* %vtable to i8*
56 %pair = call {i8*, i1} @llvm.type.checked.load(i8* %vtablei8, i32 8, metadata !"typeid2")
57 %fptr = extractvalue {i8*, i1} %pair, 0
58 %p = extractvalue {i8*, i1} %pair, 1
59 ; SINGLE-IMPL: br i1 true,
60 br i1 %p, label %cont, label %trap
63 %fptr_casted = bitcast i8* %fptr to i1 (i8*, i32)*
64 ; SINGLE-IMPL: call i1 bitcast (void ()* @singleimpl2 to i1 (i8*, i32)*)
66 ; BRANCH-FUNNEL: call i1 bitcast (void ()* @__typeid_typeid2_8_branch_funnel to i1 (i8*, i8*, i32)*)(i8* nest [[VT1]], i8* %obj, i32 undef)
67 %result = call i1 %fptr_casted(i8* %obj, i32 undef)
71 call void @llvm.trap()
75 ; CHECK: define i1 @call3
76 define i1 @call3(i8* %obj) #0 {
77 %vtableptr = bitcast i8* %obj to [1 x i8*]**
78 %vtable = load [1 x i8*]*, [1 x i8*]** %vtableptr
79 %vtablei8 = bitcast [1 x i8*]* %vtable to i8*
80 %pair = call {i8*, i1} @llvm.type.checked.load(i8* %vtablei8, i32 8, metadata !"typeid2")
81 %fptr = extractvalue {i8*, i1} %pair, 0
82 %p = extractvalue {i8*, i1} %pair, 1
83 br i1 %p, label %cont, label %trap
86 %fptr_casted = bitcast i8* %fptr to i1 (i8*, i32)*
87 %result = call i1 %fptr_casted(i8* %obj, i32 3)
88 ; UNIQUE-RET-VAL0: icmp ne i8* %vtablei8, getelementptr inbounds ([0 x i8], [0 x i8]* @__typeid_typeid2_8_3_unique_member, i32 0, i32 0)
89 ; UNIQUE-RET-VAL1: icmp eq i8* %vtablei8, getelementptr inbounds ([0 x i8], [0 x i8]* @__typeid_typeid2_8_3_unique_member, i32 0, i32 0)
90 ; VCP: [[VT2:%.*]] = bitcast {{.*}} to i8*
91 ; VCP-X86: [[GEP2:%.*]] = getelementptr i8, i8* [[VT2]], i32 ptrtoint ([0 x i8]* @__typeid_typeid2_8_3_byte to i32)
92 ; VCP-ARM: [[GEP2:%.*]] = getelementptr i8, i8* [[VT2]], i32 43
93 ; VCP: [[LOAD2:%.*]] = load i8, i8* [[GEP2]]
94 ; VCP-X86: [[AND2:%.*]] = and i8 [[LOAD2]], ptrtoint ([0 x i8]* @__typeid_typeid2_8_3_bit to i8)
95 ; VCP-ARM: [[AND2:%.*]] = and i8 [[LOAD2]], -128
96 ; VCP: [[ICMP2:%.*]] = icmp ne i8 [[AND2]], 0
97 ; VCP: ret i1 [[ICMP2]]
98 ; BRANCH-FUNNEL-NOVCP: [[VT2:%.*]] = bitcast {{.*}} to i8*
99 ; BRANCH-FUNNEL-NOVCP: call i1 bitcast (void ()* @__typeid_typeid2_8_branch_funnel to i1 (i8*, i8*, i32)*)(i8* nest [[VT2]], i8* %obj, i32 3)
103 call void @llvm.trap()
107 ; SINGLE-IMPL-DAG: declare void @singleimpl1()
108 ; SINGLE-IMPL-DAG: declare void @singleimpl2()
110 ; VCP32: !0 = !{i32 -1, i32 -1}
111 ; VCP64: !0 = !{i64 0, i64 4294967296}
113 ; VCP32: !1 = !{i32 0, i32 256}
114 ; VCP64: !1 = !{i64 0, i64 256}
116 declare void @llvm.assume(i1)
117 declare void @llvm.trap()
118 declare {i8*, i1} @llvm.type.checked.load(i8*, i32, metadata)
119 declare i1 @llvm.type.test(i8*, metadata)
121 attributes #0 = { "target-features"="+retpoline" }