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a9a2147997bdf9c47052e2cb7ab9427bc896bc5e
archived-llvm/test/Bitcode/thinlto-type-vcalls.ll
Teresa Johnson a9a2147997 [ThinLTO] Print module summary index to assembly 
Summary:
Implements AsmWriter support for printing the module summary index to
assembly with the format discussed in the RFC "LLVM Assembly format for
ThinLTO Summary".

Implements just enough of the parsing support to recognize and ignore
the summary entries. As agreed in the RFC thread, this will be the
behavior when assembling the IR. A follow on change will implement
parsing/assembling of the summary entries for use by tools that
currently build the summary index from bitcode.

Reviewers: dexonsmith, pcc

Subscribers: inglorion, eraman, steven_wu, dblaikie, llvm-commits

Differential Revision: https://reviews.llvm.org/D46699

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@333335 91177308-0d34-0410-b5e6-96231b3b80d8
2018-05-26 02:34:13 +00:00

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; RUN: opt -module-summary %s -o %t.o
; RUN: llvm-bcanalyzer -dump %t.o | FileCheck %s
; RUN: llvm-dis -o - %t.o | FileCheck %s --check-prefix=DIS
; RUN: llvm-lto -thinlto -o %t2 %t.o
; RUN: llvm-bcanalyzer -dump %t2.thinlto.bc | FileCheck --check-prefix=COMBINED %s
; RUN: llvm-dis -o - %t2.thinlto.bc | FileCheck %s --check-prefix=COMBINED-DIS
target datalayout = "e-p:64:64"
target triple = "x86_64-unknown-linux-gnu"
; COMBINED: <TYPE_TEST_ASSUME_VCALLS op0=6699318081062747564 op1=16/>
; COMBINED-NEXT: <COMBINED
; COMBINED-NEXT: <TYPE_CHECKED_LOAD_VCALLS op0=6699318081062747564 op1=16/>
; COMBINED-NEXT: <COMBINED
; COMBINED-NEXT: <TYPE_TEST_ASSUME_VCALLS op0=6699318081062747564 op1=24 op2=-2012135647395072713 op3=32/>
; COMBINED-NEXT: <COMBINED
; COMBINED-NEXT: <TYPE_TEST_ASSUME_CONST_VCALL op0=6699318081062747564 op1=16 op2=42/>
; COMBINED-NEXT: <TYPE_TEST_ASSUME_CONST_VCALL op0=6699318081062747564 op1=24 op2=43/>
; COMBINED-NEXT: <COMBINED
; COMBINED-NEXT: <TYPE_CHECKED_LOAD_CONST_VCALL op0=6699318081062747564 op1=16 op2=42/>
; COMBINED-NEXT: <COMBINED
; COMBINED-NEXT: <TYPE_TESTS op0=7546896869197086323/>
; COMBINED-NEXT: <COMBINED
; CHECK: <TYPE_TEST_ASSUME_VCALLS op0=6699318081062747564 op1=16/>
define void @f1([3 x i8*]* %vtable) {
%vtablei8 = bitcast [3 x i8*]* %vtable to i8*
%p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"foo")
call void @llvm.assume(i1 %p)
%fptrptr = getelementptr [3 x i8*], [3 x i8*]* %vtable, i32 0, i32 2
%fptr = load i8*, i8** %fptrptr
%fptr_casted = bitcast i8* %fptr to void (i8*, i32)*
call void %fptr_casted(i8* null, i32 undef)
ret void
}
; CHECK: <TYPE_TEST_ASSUME_VCALLS op0=6699318081062747564 op1=24 op2=-2012135647395072713 op3=32/>
define void @f2([3 x i8*]* %vtable, [3 x i8*]* %vtable2) {
%vtablei8 = bitcast [3 x i8*]* %vtable to i8*
%p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"foo")
call void @llvm.assume(i1 %p)
%fptrptr = getelementptr [3 x i8*], [3 x i8*]* %vtable, i32 0, i32 3
%fptr = load i8*, i8** %fptrptr
%fptr_casted = bitcast i8* %fptr to void (i8*, i32)*
call void %fptr_casted(i8* null, i32 undef)
%vtablei82 = bitcast [3 x i8*]* %vtable2 to i8*
%p2 = call i1 @llvm.type.test(i8* %vtablei82, metadata !"bar")
call void @llvm.assume(i1 %p2)
%fptrptr2 = getelementptr [3 x i8*], [3 x i8*]* %vtable2, i32 0, i32 4
%fptr2 = load i8*, i8** %fptrptr2
%fptr_casted2 = bitcast i8* %fptr2 to void (i8*, i128)*
call void %fptr_casted2(i8* null, i128 0)
ret void
}
; CHECK: <TYPE_CHECKED_LOAD_VCALLS op0=6699318081062747564 op1=16/>
define void @f3(i8* %vtable) {
%pair = call {i8*, i1} @llvm.type.checked.load(i8* %vtable, i32 16, metadata !"foo")
%fptr = extractvalue {i8*, i1} %pair, 0
%fptr_casted = bitcast i8* %fptr to void (i8*, i32)*
call void %fptr_casted(i8* null, i32 undef)
ret void
}
; CHECK: <TYPE_TEST_ASSUME_CONST_VCALL op0=6699318081062747564 op1=16 op2=42/>
; CHECK-NEXT: <TYPE_TEST_ASSUME_CONST_VCALL op0=6699318081062747564 op1=24 op2=43/>
define void @f4([3 x i8*]* %vtable, [3 x i8*]* %vtable2) {
%vtablei8 = bitcast [3 x i8*]* %vtable to i8*
%p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"foo")
call void @llvm.assume(i1 %p)
%fptrptr = getelementptr [3 x i8*], [3 x i8*]* %vtable, i32 0, i32 2
%fptr = load i8*, i8** %fptrptr
%fptr_casted = bitcast i8* %fptr to void (i8*, i32)*
call void %fptr_casted(i8* null, i32 42)
%vtablei82 = bitcast [3 x i8*]* %vtable2 to i8*
%p2 = call i1 @llvm.type.test(i8* %vtablei82, metadata !"foo")
call void @llvm.assume(i1 %p2)
%fptrptr2 = getelementptr [3 x i8*], [3 x i8*]* %vtable2, i32 0, i32 3
%fptr2 = load i8*, i8** %fptrptr2
%fptr_casted2 = bitcast i8* %fptr2 to void (i8*, i32)*
call void %fptr_casted2(i8* null, i32 43)
ret void
}
; CHECK: <TYPE_CHECKED_LOAD_CONST_VCALL op0=6699318081062747564 op1=16 op2=42/>
define void @f5(i8* %vtable) {
%pair = call {i8*, i1} @llvm.type.checked.load(i8* %vtable, i32 16, metadata !"foo")
%fptr = extractvalue {i8*, i1} %pair, 0
%fptr_casted = bitcast i8* %fptr to void (i8*, i32)*
call void %fptr_casted(i8* null, i32 42)
ret void
}
; CHECK-NOT: <TYPE_CHECKED_LOAD_CONST_VCALL op0=7546896869197086323
; CHECK: <TYPE_TESTS op0=7546896869197086323/>
; CHECK-NOT: <TYPE_CHECKED_LOAD_CONST_VCALL op0=7546896869197086323
define {i8*, i1} @f6(i8* %vtable) {
%pair = call {i8*, i1} @llvm.type.checked.load(i8* %vtable, i32 16, metadata !"baz")
ret {i8*, i1} %pair
}
declare i1 @llvm.type.test(i8*, metadata) nounwind readnone
declare void @llvm.assume(i1)
declare {i8*, i1} @llvm.type.checked.load(i8*, i32, metadata)
; DIS: ^0 = module: (path: "{{.*}}/test/Bitcode/Output/thinlto-type-vcalls.ll.tmp.o", hash: (0, 0, 0, 0, 0))
; DIS: ^1 = gv: (name: "llvm.type.test") ; guid = 608142985856744218
; DIS: ^2 = gv: (name: "f1", summaries: (function: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 8, typeIdInfo: (typeTestAssumeVCalls: (vFuncId: (guid: 6699318081062747564, offset: 16)))))) ; guid = 2072045998141807037
; DIS: ^3 = gv: (name: "f3", summaries: (function: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 5, typeIdInfo: (typeCheckedLoadVCalls: (vFuncId: (guid: 6699318081062747564, offset: 16)))))) ; guid = 4197650231481825559
; DIS: ^4 = gv: (name: "llvm.type.checked.load") ; guid = 5568222536364573403
; DIS: ^5 = gv: (name: "llvm.assume") ; guid = 6385187066495850096
; DIS: ^6 = gv: (name: "f2", summaries: (function: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 15, typeIdInfo: (typeTestAssumeVCalls: (vFuncId: (guid: 6699318081062747564, offset: 24), vFuncId: (guid: 16434608426314478903, offset: 32)))))) ; guid = 8471399308421654326
; DIS: ^7 = gv: (name: "f4", summaries: (function: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 15, typeIdInfo: (typeTestAssumeConstVCalls: (vFuncId: (guid: 6699318081062747564, offset: 16), args: (42), vFuncId: (guid: 6699318081062747564, offset: 24), args: (43)))))) ; guid = 10064745020953272174
; DIS: ^8 = gv: (name: "f5", summaries: (function: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 5, typeIdInfo: (typeCheckedLoadConstVCalls: (vFuncId: (guid: 6699318081062747564, offset: 16), args: (42)))))) ; guid = 11686717102184386164
; DIS: ^9 = gv: (name: "f6", summaries: (function: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 2, typeIdInfo: (typeTests: (7546896869197086323))))) ; guid = 11834966808443348068
; COMBINED-DIS: ^0 = module: (path: "{{.*}}/test/Bitcode/Output/thinlto-type-vcalls.ll.tmp.o", hash: (0, 0, 0, 0, 0))
; COMBINED-DIS: ^1 = gv: (guid: 2072045998141807037, summaries: (function: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 8, typeIdInfo: (typeTestAssumeVCalls: (vFuncId: (guid: 6699318081062747564, offset: 16))))))
; COMBINED-DIS: ^2 = gv: (guid: 4197650231481825559, summaries: (function: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 5, typeIdInfo: (typeCheckedLoadVCalls: (vFuncId: (guid: 6699318081062747564, offset: 16))))))
; COMBINED-DIS: ^3 = gv: (guid: 8471399308421654326, summaries: (function: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 15, typeIdInfo: (typeTestAssumeVCalls: (vFuncId: (guid: 6699318081062747564, offset: 24), vFuncId: (guid: 16434608426314478903, offset: 32))))))
; COMBINED-DIS: ^4 = gv: (guid: 10064745020953272174, summaries: (function: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 15, typeIdInfo: (typeTestAssumeConstVCalls: (vFuncId: (guid: 6699318081062747564, offset: 16), args: (42), vFuncId: (guid: 6699318081062747564, offset: 24), args: (43))))))
; COMBINED-DIS: ^5 = gv: (guid: 11686717102184386164, summaries: (function: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 5, typeIdInfo: (typeCheckedLoadConstVCalls: (vFuncId: (guid: 6699318081062747564, offset: 16), args: (42))))))
; COMBINED-DIS: ^6 = gv: (guid: 11834966808443348068, summaries: (function: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 2, typeIdInfo: (typeTests: (7546896869197086323)))))
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