; RUN: opt < %s -tbaa -basicaa -aa-eval -evaluate-aa-metadata -print-no-aliases -print-may-aliases -disable-output 2>&1 | FileCheck %s ; RUN: opt < %s -tbaa -basicaa -gvn -S | FileCheck %s --check-prefix=OPT ; Generated from clang/test/CodeGen/tbaa.cpp with "-O1 -struct-path-tbaa -disable-llvm-optzns". %struct.StructA = type { i16, i32, i16, i32 } %struct.StructB = type { i16, %struct.StructA, i32 } %struct.StructS = type { i16, i32 } %struct.StructS2 = type { i16, i32 } %struct.StructC = type { i16, %struct.StructB, i32 } %struct.StructD = type { i16, %struct.StructB, i32, i8 } define i32 @_Z1gPjP7StructAy(i32* %s, %struct.StructA* %A, i64 %count) #0 { entry: ; Access to i32* and &(A->f32). ; CHECK: Function ; CHECK: MayAlias: store i32 4, i32* %f32, align 4, !tbaa !8 <-> store i32 1, i32* %0, align 4, !tbaa !6 ; OPT: define ; OPT: store i32 1 ; OPT: store i32 4 ; OPT: %[[RET:.*]] = load i32, i32* ; OPT: ret i32 %[[RET]] %s.addr = alloca i32*, align 8 %A.addr = alloca %struct.StructA*, align 8 %count.addr = alloca i64, align 8 store i32* %s, i32** %s.addr, align 8, !tbaa !0 store %struct.StructA* %A, %struct.StructA** %A.addr, align 8, !tbaa !0 store i64 %count, i64* %count.addr, align 8, !tbaa !4 %0 = load i32*, i32** %s.addr, align 8, !tbaa !0 store i32 1, i32* %0, align 4, !tbaa !6 %1 = load %struct.StructA*, %struct.StructA** %A.addr, align 8, !tbaa !0 %f32 = getelementptr inbounds %struct.StructA, %struct.StructA* %1, i32 0, i32 1 store i32 4, i32* %f32, align 4, !tbaa !8 %2 = load i32*, i32** %s.addr, align 8, !tbaa !0 %3 = load i32, i32* %2, align 4, !tbaa !6 ret i32 %3 } define i32 @_Z2g2PjP7StructAy(i32* %s, %struct.StructA* %A, i64 %count) #0 { entry: ; Access to i32* and &(A->f16). ; CHECK: Function ; CHECK: NoAlias: store i16 4, i16* %f16, align 2, !tbaa !8 <-> store i32 1, i32* %0, align 4, !tbaa !6 ; OPT: define ; OPT: store i32 1 ; OPT: store i16 4 ; Remove a load and propagate the value from store. ; OPT: ret i32 1 %s.addr = alloca i32*, align 8 %A.addr = alloca %struct.StructA*, align 8 %count.addr = alloca i64, align 8 store i32* %s, i32** %s.addr, align 8, !tbaa !0 store %struct.StructA* %A, %struct.StructA** %A.addr, align 8, !tbaa !0 store i64 %count, i64* %count.addr, align 8, !tbaa !4 %0 = load i32*, i32** %s.addr, align 8, !tbaa !0 store i32 1, i32* %0, align 4, !tbaa !6 %1 = load %struct.StructA*, %struct.StructA** %A.addr, align 8, !tbaa !0 %f16 = getelementptr inbounds %struct.StructA, %struct.StructA* %1, i32 0, i32 0 store i16 4, i16* %f16, align 2, !tbaa !11 %2 = load i32*, i32** %s.addr, align 8, !tbaa !0 %3 = load i32, i32* %2, align 4, !tbaa !6 ret i32 %3 } define i32 @_Z2g3P7StructAP7StructBy(%struct.StructA* %A, %struct.StructB* %B, i64 %count) #0 { entry: ; Access to &(A->f32) and &(B->a.f32). ; CHECK: Function ; CHECK: MayAlias: store i32 4, i32* %f321, align 4, !tbaa !10 <-> store i32 1, i32* %f32, align 4, !tbaa !6 ; OPT: define ; OPT: store i32 1 ; OPT: store i32 4 ; OPT: %[[RET:.*]] = load i32, i32* ; OPT: ret i32 %[[RET]] %A.addr = alloca %struct.StructA*, align 8 %B.addr = alloca %struct.StructB*, align 8 %count.addr = alloca i64, align 8 store %struct.StructA* %A, %struct.StructA** %A.addr, align 8, !tbaa !0 store %struct.StructB* %B, %struct.StructB** %B.addr, align 8, !tbaa !0 store i64 %count, i64* %count.addr, align 8, !tbaa !4 %0 = load %struct.StructA*, %struct.StructA** %A.addr, align 8, !tbaa !0 %f32 = getelementptr inbounds %struct.StructA, %struct.StructA* %0, i32 0, i32 1 store i32 1, i32* %f32, align 4, !tbaa !8 %1 = load %struct.StructB*, %struct.StructB** %B.addr, align 8, !tbaa !0 %a = getelementptr inbounds %struct.StructB, %struct.StructB* %1, i32 0, i32 1 %f321 = getelementptr inbounds %struct.StructA, %struct.StructA* %a, i32 0, i32 1 store i32 4, i32* %f321, align 4, !tbaa !12 %2 = load %struct.StructA*, %struct.StructA** %A.addr, align 8, !tbaa !0 %f322 = getelementptr inbounds %struct.StructA, %struct.StructA* %2, i32 0, i32 1 %3 = load i32, i32* %f322, align 4, !tbaa !8 ret i32 %3 } define i32 @_Z2g4P7StructAP7StructBy(%struct.StructA* %A, %struct.StructB* %B, i64 %count) #0 { entry: ; Access to &(A->f32) and &(B->a.f16). ; CHECK: Function ; CHECK: NoAlias: store i16 4, i16* %f16, align 2, !tbaa !10 <-> store i32 1, i32* %f32, align 4, !tbaa !6 ; OPT: define ; OPT: store i32 1 ; OPT: store i16 4 ; Remove a load and propagate the value from store. ; OPT: ret i32 1 %A.addr = alloca %struct.StructA*, align 8 %B.addr = alloca %struct.StructB*, align 8 %count.addr = alloca i64, align 8 store %struct.StructA* %A, %struct.StructA** %A.addr, align 8, !tbaa !0 store %struct.StructB* %B, %struct.StructB** %B.addr, align 8, !tbaa !0 store i64 %count, i64* %count.addr, align 8, !tbaa !4 %0 = load %struct.StructA*, %struct.StructA** %A.addr, align 8, !tbaa !0 %f32 = getelementptr inbounds %struct.StructA, %struct.StructA* %0, i32 0, i32 1 store i32 1, i32* %f32, align 4, !tbaa !8 %1 = load %struct.StructB*, %struct.StructB** %B.addr, align 8, !tbaa !0 %a = getelementptr inbounds %struct.StructB, %struct.StructB* %1, i32 0, i32 1 %f16 = getelementptr inbounds %struct.StructA, %struct.StructA* %a, i32 0, i32 0 store i16 4, i16* %f16, align 2, !tbaa !14 %2 = load %struct.StructA*, %struct.StructA** %A.addr, align 8, !tbaa !0 %f321 = getelementptr inbounds %struct.StructA, %struct.StructA* %2, i32 0, i32 1 %3 = load i32, i32* %f321, align 4, !tbaa !8 ret i32 %3 } define i32 @_Z2g5P7StructAP7StructBy(%struct.StructA* %A, %struct.StructB* %B, i64 %count) #0 { entry: ; Access to &(A->f32) and &(B->f32). ; CHECK: Function ; CHECK: NoAlias: store i32 4, i32* %f321, align 4, !tbaa !10 <-> store i32 1, i32* %f32, align 4, !tbaa !6 ; OPT: define ; OPT: store i32 1 ; OPT: store i32 4 ; Remove a load and propagate the value from store. ; OPT: ret i32 1 %A.addr = alloca %struct.StructA*, align 8 %B.addr = alloca %struct.StructB*, align 8 %count.addr = alloca i64, align 8 store %struct.StructA* %A, %struct.StructA** %A.addr, align 8, !tbaa !0 store %struct.StructB* %B, %struct.StructB** %B.addr, align 8, !tbaa !0 store i64 %count, i64* %count.addr, align 8, !tbaa !4 %0 = load %struct.StructA*, %struct.StructA** %A.addr, align 8, !tbaa !0 %f32 = getelementptr inbounds %struct.StructA, %struct.StructA* %0, i32 0, i32 1 store i32 1, i32* %f32, align 4, !tbaa !8 %1 = load %struct.StructB*, %struct.StructB** %B.addr, align 8, !tbaa !0 %f321 = getelementptr inbounds %struct.StructB, %struct.StructB* %1, i32 0, i32 2 store i32 4, i32* %f321, align 4, !tbaa !15 %2 = load %struct.StructA*, %struct.StructA** %A.addr, align 8, !tbaa !0 %f322 = getelementptr inbounds %struct.StructA, %struct.StructA* %2, i32 0, i32 1 %3 = load i32, i32* %f322, align 4, !tbaa !8 ret i32 %3 } define i32 @_Z2g6P7StructAP7StructBy(%struct.StructA* %A, %struct.StructB* %B, i64 %count) #0 { entry: ; Access to &(A->f32) and &(B->a.f32_2). ; CHECK: Function ; CHECK: NoAlias: store i32 4, i32* %f32_2, align 4, !tbaa !10 <-> store i32 1, i32* %f32, align 4, !tbaa !6 ; OPT: define ; OPT: store i32 1 ; OPT: store i32 4 ; Remove a load and propagate the value from store. ; OPT: ret i32 1 %A.addr = alloca %struct.StructA*, align 8 %B.addr = alloca %struct.StructB*, align 8 %count.addr = alloca i64, align 8 store %struct.StructA* %A, %struct.StructA** %A.addr, align 8, !tbaa !0 store %struct.StructB* %B, %struct.StructB** %B.addr, align 8, !tbaa !0 store i64 %count, i64* %count.addr, align 8, !tbaa !4 %0 = load %struct.StructA*, %struct.StructA** %A.addr, align 8, !tbaa !0 %f32 = getelementptr inbounds %struct.StructA, %struct.StructA* %0, i32 0, i32 1 store i32 1, i32* %f32, align 4, !tbaa !8 %1 = load %struct.StructB*, %struct.StructB** %B.addr, align 8, !tbaa !0 %a = getelementptr inbounds %struct.StructB, %struct.StructB* %1, i32 0, i32 1 %f32_2 = getelementptr inbounds %struct.StructA, %struct.StructA* %a, i32 0, i32 3 store i32 4, i32* %f32_2, align 4, !tbaa !16 %2 = load %struct.StructA*, %struct.StructA** %A.addr, align 8, !tbaa !0 %f321 = getelementptr inbounds %struct.StructA, %struct.StructA* %2, i32 0, i32 1 %3 = load i32, i32* %f321, align 4, !tbaa !8 ret i32 %3 } define i32 @_Z2g7P7StructAP7StructSy(%struct.StructA* %A, %struct.StructS* %S, i64 %count) #0 { entry: ; Access to &(A->f32) and &(S->f32). ; CHECK: Function ; CHECK: NoAlias: store i32 4, i32* %f321, align 4, !tbaa !10 <-> store i32 1, i32* %f32, align 4, !tbaa !6 ; OPT: define ; OPT: store i32 1 ; OPT: store i32 4 ; Remove a load and propagate the value from store. ; OPT: ret i32 1 %A.addr = alloca %struct.StructA*, align 8 %S.addr = alloca %struct.StructS*, align 8 %count.addr = alloca i64, align 8 store %struct.StructA* %A, %struct.StructA** %A.addr, align 8, !tbaa !0 store %struct.StructS* %S, %struct.StructS** %S.addr, align 8, !tbaa !0 store i64 %count, i64* %count.addr, align 8, !tbaa !4 %0 = load %struct.StructA*, %struct.StructA** %A.addr, align 8, !tbaa !0 %f32 = getelementptr inbounds %struct.StructA, %struct.StructA* %0, i32 0, i32 1 store i32 1, i32* %f32, align 4, !tbaa !8 %1 = load %struct.StructS*, %struct.StructS** %S.addr, align 8, !tbaa !0 %f321 = getelementptr inbounds %struct.StructS, %struct.StructS* %1, i32 0, i32 1 store i32 4, i32* %f321, align 4, !tbaa !17 %2 = load %struct.StructA*, %struct.StructA** %A.addr, align 8, !tbaa !0 %f322 = getelementptr inbounds %struct.StructA, %struct.StructA* %2, i32 0, i32 1 %3 = load i32, i32* %f322, align 4, !tbaa !8 ret i32 %3 } define i32 @_Z2g8P7StructAP7StructSy(%struct.StructA* %A, %struct.StructS* %S, i64 %count) #0 { entry: ; Access to &(A->f32) and &(S->f16). ; CHECK: Function ; CHECK: NoAlias: store i16 4, i16* %f16, align 2, !tbaa !10 <-> store i32 1, i32* %f32, align 4, !tbaa !6 ; OPT: define ; OPT: store i32 1 ; OPT: store i16 4 ; Remove a load and propagate the value from store. ; OPT: ret i32 1 %A.addr = alloca %struct.StructA*, align 8 %S.addr = alloca %struct.StructS*, align 8 %count.addr = alloca i64, align 8 store %struct.StructA* %A, %struct.StructA** %A.addr, align 8, !tbaa !0 store %struct.StructS* %S, %struct.StructS** %S.addr, align 8, !tbaa !0 store i64 %count, i64* %count.addr, align 8, !tbaa !4 %0 = load %struct.StructA*, %struct.StructA** %A.addr, align 8, !tbaa !0 %f32 = getelementptr inbounds %struct.StructA, %struct.StructA* %0, i32 0, i32 1 store i32 1, i32* %f32, align 4, !tbaa !8 %1 = load %struct.StructS*, %struct.StructS** %S.addr, align 8, !tbaa !0 %f16 = getelementptr inbounds %struct.StructS, %struct.StructS* %1, i32 0, i32 0 store i16 4, i16* %f16, align 2, !tbaa !19 %2 = load %struct.StructA*, %struct.StructA** %A.addr, align 8, !tbaa !0 %f321 = getelementptr inbounds %struct.StructA, %struct.StructA* %2, i32 0, i32 1 %3 = load i32, i32* %f321, align 4, !tbaa !8 ret i32 %3 } define i32 @_Z2g9P7StructSP8StructS2y(%struct.StructS* %S, %struct.StructS2* %S2, i64 %count) #0 { entry: ; Access to &(S->f32) and &(S2->f32). ; CHECK: Function ; CHECK: NoAlias: store i32 4, i32* %f321, align 4, !tbaa !10 <-> store i32 1, i32* %f32, align 4, !tbaa !6 ; OPT: define ; OPT: store i32 1 ; OPT: store i32 4 ; Remove a load and propagate the value from store. ; OPT: ret i32 1 %S.addr = alloca %struct.StructS*, align 8 %S2.addr = alloca %struct.StructS2*, align 8 %count.addr = alloca i64, align 8 store %struct.StructS* %S, %struct.StructS** %S.addr, align 8, !tbaa !0 store %struct.StructS2* %S2, %struct.StructS2** %S2.addr, align 8, !tbaa !0 store i64 %count, i64* %count.addr, align 8, !tbaa !4 %0 = load %struct.StructS*, %struct.StructS** %S.addr, align 8, !tbaa !0 %f32 = getelementptr inbounds %struct.StructS, %struct.StructS* %0, i32 0, i32 1 store i32 1, i32* %f32, align 4, !tbaa !17 %1 = load %struct.StructS2*, %struct.StructS2** %S2.addr, align 8, !tbaa !0 %f321 = getelementptr inbounds %struct.StructS2, %struct.StructS2* %1, i32 0, i32 1 store i32 4, i32* %f321, align 4, !tbaa !20 %2 = load %struct.StructS*, %struct.StructS** %S.addr, align 8, !tbaa !0 %f322 = getelementptr inbounds %struct.StructS, %struct.StructS* %2, i32 0, i32 1 %3 = load i32, i32* %f322, align 4, !tbaa !17 ret i32 %3 } define i32 @_Z3g10P7StructSP8StructS2y(%struct.StructS* %S, %struct.StructS2* %S2, i64 %count) #0 { entry: ; Access to &(S->f32) and &(S2->f16). ; CHECK: Function ; CHECK: NoAlias: store i16 4, i16* %f16, align 2, !tbaa !10 <-> store i32 1, i32* %f32, align 4, !tbaa !6 ; OPT: define ; OPT: store i32 1 ; OPT: store i16 4 ; Remove a load and propagate the value from store. ; OPT: ret i32 1 %S.addr = alloca %struct.StructS*, align 8 %S2.addr = alloca %struct.StructS2*, align 8 %count.addr = alloca i64, align 8 store %struct.StructS* %S, %struct.StructS** %S.addr, align 8, !tbaa !0 store %struct.StructS2* %S2, %struct.StructS2** %S2.addr, align 8, !tbaa !0 store i64 %count, i64* %count.addr, align 8, !tbaa !4 %0 = load %struct.StructS*, %struct.StructS** %S.addr, align 8, !tbaa !0 %f32 = getelementptr inbounds %struct.StructS, %struct.StructS* %0, i32 0, i32 1 store i32 1, i32* %f32, align 4, !tbaa !17 %1 = load %struct.StructS2*, %struct.StructS2** %S2.addr, align 8, !tbaa !0 %f16 = getelementptr inbounds %struct.StructS2, %struct.StructS2* %1, i32 0, i32 0 store i16 4, i16* %f16, align 2, !tbaa !22 %2 = load %struct.StructS*, %struct.StructS** %S.addr, align 8, !tbaa !0 %f321 = getelementptr inbounds %struct.StructS, %struct.StructS* %2, i32 0, i32 1 %3 = load i32, i32* %f321, align 4, !tbaa !17 ret i32 %3 } define i32 @_Z3g11P7StructCP7StructDy(%struct.StructC* %C, %struct.StructD* %D, i64 %count) #0 { entry: ; Access to &(C->b.a.f32) and &(D->b.a.f32). ; CHECK: Function ; CHECK: NoAlias: store i32 4, i32* %f323, align 4, !tbaa !12 <-> store i32 1, i32* %f32, align 4, !tbaa !6 ; OPT: define ; OPT: store i32 1 ; OPT: store i32 4 ; Remove a load and propagate the value from store. ; OPT: ret i32 1 %C.addr = alloca %struct.StructC*, align 8 %D.addr = alloca %struct.StructD*, align 8 %count.addr = alloca i64, align 8 store %struct.StructC* %C, %struct.StructC** %C.addr, align 8, !tbaa !0 store %struct.StructD* %D, %struct.StructD** %D.addr, align 8, !tbaa !0 store i64 %count, i64* %count.addr, align 8, !tbaa !4 %0 = load %struct.StructC*, %struct.StructC** %C.addr, align 8, !tbaa !0 %b = getelementptr inbounds %struct.StructC, %struct.StructC* %0, i32 0, i32 1 %a = getelementptr inbounds %struct.StructB, %struct.StructB* %b, i32 0, i32 1 %f32 = getelementptr inbounds %struct.StructA, %struct.StructA* %a, i32 0, i32 1 store i32 1, i32* %f32, align 4, !tbaa !23 %1 = load %struct.StructD*, %struct.StructD** %D.addr, align 8, !tbaa !0 %b1 = getelementptr inbounds %struct.StructD, %struct.StructD* %1, i32 0, i32 1 %a2 = getelementptr inbounds %struct.StructB, %struct.StructB* %b1, i32 0, i32 1 %f323 = getelementptr inbounds %struct.StructA, %struct.StructA* %a2, i32 0, i32 1 store i32 4, i32* %f323, align 4, !tbaa !25 %2 = load %struct.StructC*, %struct.StructC** %C.addr, align 8, !tbaa !0 %b4 = getelementptr inbounds %struct.StructC, %struct.StructC* %2, i32 0, i32 1 %a5 = getelementptr inbounds %struct.StructB, %struct.StructB* %b4, i32 0, i32 1 %f326 = getelementptr inbounds %struct.StructA, %struct.StructA* %a5, i32 0, i32 1 %3 = load i32, i32* %f326, align 4, !tbaa !23 ret i32 %3 } define i32 @_Z3g12P7StructCP7StructDy(%struct.StructC* %C, %struct.StructD* %D, i64 %count) #0 { entry: ; Access to &(b1->a.f32) and &(b2->a.f32). ; CHECK: Function ; CHECK: MayAlias: store i32 4, i32* %f325, align 4, !tbaa !6 <-> store i32 1, i32* %f32, align 4, !tbaa !6 ; OPT: define ; OPT: store i32 1 ; OPT: store i32 4 ; OPT: %[[RET:.*]] = load i32, i32* ; OPT: ret i32 %[[RET]] %C.addr = alloca %struct.StructC*, align 8 %D.addr = alloca %struct.StructD*, align 8 %count.addr = alloca i64, align 8 %b1 = alloca %struct.StructB*, align 8 %b2 = alloca %struct.StructB*, align 8 store %struct.StructC* %C, %struct.StructC** %C.addr, align 8, !tbaa !0 store %struct.StructD* %D, %struct.StructD** %D.addr, align 8, !tbaa !0 store i64 %count, i64* %count.addr, align 8, !tbaa !4 %0 = load %struct.StructC*, %struct.StructC** %C.addr, align 8, !tbaa !0 %b = getelementptr inbounds %struct.StructC, %struct.StructC* %0, i32 0, i32 1 store %struct.StructB* %b, %struct.StructB** %b1, align 8, !tbaa !0 %1 = load %struct.StructD*, %struct.StructD** %D.addr, align 8, !tbaa !0 %b3 = getelementptr inbounds %struct.StructD, %struct.StructD* %1, i32 0, i32 1 store %struct.StructB* %b3, %struct.StructB** %b2, align 8, !tbaa !0 %2 = load %struct.StructB*, %struct.StructB** %b1, align 8, !tbaa !0 %a = getelementptr inbounds %struct.StructB, %struct.StructB* %2, i32 0, i32 1 %f32 = getelementptr inbounds %struct.StructA, %struct.StructA* %a, i32 0, i32 1 store i32 1, i32* %f32, align 4, !tbaa !12 %3 = load %struct.StructB*, %struct.StructB** %b2, align 8, !tbaa !0 %a4 = getelementptr inbounds %struct.StructB, %struct.StructB* %3, i32 0, i32 1 %f325 = getelementptr inbounds %struct.StructA, %struct.StructA* %a4, i32 0, i32 1 store i32 4, i32* %f325, align 4, !tbaa !12 %4 = load %struct.StructB*, %struct.StructB** %b1, align 8, !tbaa !0 %a6 = getelementptr inbounds %struct.StructB, %struct.StructB* %4, i32 0, i32 1 %f327 = getelementptr inbounds %struct.StructA, %struct.StructA* %a6, i32 0, i32 1 %5 = load i32, i32* %f327, align 4, !tbaa !12 ret i32 %5 } attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" } !0 = !{!1, !1, i64 0} !1 = !{!"any pointer", !2} !2 = !{!"omnipotent char", !3} !3 = !{!"Simple C/C++ TBAA"} !4 = !{!5, !5, i64 0} !5 = !{!"long long", !2} !6 = !{!7, !7, i64 0} !7 = !{!"int", !2} !8 = !{!9, !7, i64 4} !9 = !{!"_ZTS7StructA", !10, i64 0, !7, i64 4, !10, i64 8, !7, i64 12} !10 = !{!"short", !2} !11 = !{!9, !10, i64 0} !12 = !{!13, !7, i64 8} !13 = !{!"_ZTS7StructB", !10, i64 0, !9, i64 4, !7, i64 20} !14 = !{!13, !10, i64 4} !15 = !{!13, !7, i64 20} !16 = !{!13, !7, i64 16} !17 = !{!18, !7, i64 4} !18 = !{!"_ZTS7StructS", !10, i64 0, !7, i64 4} !19 = !{!18, !10, i64 0} !20 = !{!21, !7, i64 4} !21 = !{!"_ZTS8StructS2", !10, i64 0, !7, i64 4} !22 = !{!21, !10, i64 0} !23 = !{!24, !7, i64 12} !24 = !{!"_ZTS7StructC", !10, i64 0, !13, i64 4, !7, i64 28} !25 = !{!26, !7, i64 12} !26 = !{!"_ZTS7StructD", !10, i64 0, !13, i64 4, !7, i64 28, !2, i64 32}