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| author | Fangrui Song <i@maskray.me> | 2023-08-28 09:56:00 -0700 |
|---|---|---|
| committer | Fangrui Song <i@maskray.me> | 2023-08-28 09:56:00 -0700 |
| commit | b90d2d6680b623ebeb4a3afa38003a6e261ee642 (patch) | |
| tree | a302079b4d9d5a277124cad17d737c303800f675 /llvm/test/ThinLTO | |
| parent | b9b81e37fe63d661afa356eacc97208ccc85da29 (diff) | |
| download | llvm-b90d2d6680b623ebeb4a3afa38003a6e261ee642.zip llvm-b90d2d6680b623ebeb4a3afa38003a6e261ee642.tar.gz llvm-b90d2d6680b623ebeb4a3afa38003a6e261ee642.tar.bz2 | |
[ThinLTO][test] Test prevailing non-exported non-ODR linkonce/odr can be internalized
To improve the tests added by D151965. Discovered when writing D158949.
Diffstat (limited to 'llvm/test/ThinLTO')
| -rw-r--r-- | llvm/test/ThinLTO/X86/weak_resolution.ll | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/llvm/test/ThinLTO/X86/weak_resolution.ll b/llvm/test/ThinLTO/X86/weak_resolution.ll index 1bca0c7..15db40a 100644 --- a/llvm/test/ThinLTO/X86/weak_resolution.ll +++ b/llvm/test/ThinLTO/X86/weak_resolution.ll @@ -13,7 +13,7 @@ ; RUN: llvm-lto -thinlto-action=internalize %t.bc -thinlto-index=%t3.bc -exported-symbol=_linkoncefunc -o - | llvm-dis -o - | FileCheck %s --check-prefix=MOD1-INT ; RUN: llvm-lto -thinlto-action=promote %t2.bc -thinlto-index=%t3.bc -o - | llvm-dis -o - | FileCheck %s --check-prefix=MOD2 ; When exported, we always preserve a linkonce -; RUN: llvm-lto -thinlto-action=promote %t.bc -thinlto-index=%t3.bc -o - --exported-symbol=_linkonceodrfuncInSingleModule | llvm-dis -o - | FileCheck %s --check-prefix=EXPORTED +; RUN: llvm-lto -thinlto-action=promote %t.bc -thinlto-index=%t3.bc -o - --exported-symbol=_linkonceodrfuncInSingleModule --exported-symbol=_weakfuncInSingleModule | llvm-dis -o - | FileCheck %s --check-prefix=EXPORTED ;; Now try this with the new LTO API ; RUN: llvm-lto2 run %t.bc %t2.bc -o %t3.out -save-temps \ @@ -21,6 +21,7 @@ ; RUN: -r %t.bc,_linkoncealias,pl \ ; RUN: -r %t.bc,_linkonceodrvarInSingleModule,pl \ ; RUN: -r %t.bc,_weakodrvarInSingleModule,pl \ +; RUN: -r %t.bc,_weakvarInSingleModule,pl \ ; RUN: -r %t.bc,_linkonceodrfuncwithalias,pl \ ; RUN: -r %t.bc,_linkoncefuncwithalias,pl \ ; RUN: -r %t.bc,_linkonceodrfunc,pl \ @@ -28,6 +29,7 @@ ; RUN: -r %t.bc,_weakodrfunc,pl \ ; RUN: -r %t.bc,_weakfunc,pl \ ; RUN: -r %t.bc,_linkonceodrfuncInSingleModule,pl \ +; RUN: -r %t.bc,_weakfuncInSingleModule,pl \ ; RUN: -r %t2.bc,_linkonceodrfuncwithalias,l \ ; RUN: -r %t2.bc,_linkoncefuncwithalias,l \ ; RUN: -r %t2.bc,_linkonceodrfunc,l \ @@ -55,8 +57,10 @@ target triple = "x86_64-apple-macosx10.11.0" ;; of whether they are const or *unnamed_addr. ; MOD1-INT: @linkonceodrvarInSingleModule = internal global ; MOD1-INT: @weakodrvarInSingleModule = internal global +; MOD1-INT: @weakvarInSingleModule = internal global @linkonceodrvarInSingleModule = linkonce_odr dso_local global ptr null, align 8 @weakodrvarInSingleModule = weak_odr dso_local global ptr null, align 8 +@weakvarInSingleModule = weak dso_local global ptr null, align 8 ;; Function with an alias are resolved to weak_odr in prevailing module, but ;; not optimized in non-prevailing module (illegal to have an @@ -115,3 +119,11 @@ define linkonce_odr void @linkonceodrfuncInSingleModule() #0 { entry: ret void } + +; MOD1: define weak void @weakfuncInSingleModule() +; MOD1-INT: define internal void @weakfuncInSingleModule() +; EXPORTED: define weak void @weakfuncInSingleModule() +define weak void @weakfuncInSingleModule() { +entry: + ret void +} |