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| author | Sam Clegg <sbc@chromium.org> | 2017-11-17 18:14:09 +0000 |
|---|---|---|
| committer | Sam Clegg <sbc@chromium.org> | 2017-11-17 18:14:09 +0000 |
| commit | c94d393ad52b6698b15400ee7a33a68b4bda274b (patch) | |
| tree | 2609add8ef4574c40a55c0604abd6a98d6e4857a /lld/test/wasm/weak-alias-overide.ll | |
| parent | ae304b07176190a69853d3430c7206146ac8d0e6 (diff) | |
| download | bcm5719-llvm-c94d393ad52b6698b15400ee7a33a68b4bda274b.tar.gz bcm5719-llvm-c94d393ad52b6698b15400ee7a33a68b4bda274b.zip | |
[WebAssembly] Initial wasm linker implementation
This linker backend is still a work in progress but is
enough to link simple programs including linking against
library archives.
Differential Revision: https://reviews.llvm.org/D34851
llvm-svn: 318539
Diffstat (limited to 'lld/test/wasm/weak-alias-overide.ll')
| -rw-r--r-- | lld/test/wasm/weak-alias-overide.ll | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/lld/test/wasm/weak-alias-overide.ll b/lld/test/wasm/weak-alias-overide.ll new file mode 100644 index 00000000000..d929d918181 --- /dev/null +++ b/lld/test/wasm/weak-alias-overide.ll @@ -0,0 +1,92 @@ +; RUN: llc -mtriple wasm32-unknown-unknown-wasm -filetype=obj -o %t.o %s +; RUN: llc -mtriple=wasm32-unknown-unknown-wasm -filetype=obj %S/Inputs/weak-alias.ll -o %t2.o +; RUN: lld -flavor wasm %t.o %t2.o -o %t.wasm +; RUN: obj2yaml %t.wasm | FileCheck %s + +; Test that the strongly defined bar is used correctly despite the existence +; of the weak alias + +define i32 @bar() local_unnamed_addr #1 { + ret i32 1 +} + +; Function Attrs: nounwind uwtable +define void @_start() local_unnamed_addr #1 { +entry: + %call = tail call i32 @bar() #2 + ret void +} + +; CHECK: --- !WASM +; CHECK-NEXT: FileHeader: +; CHECK-NEXT: Version: 0x00000001 +; CHECK-NEXT: Sections: +; CHECK-NEXT: - Type: TYPE +; CHECK-NEXT: Signatures: +; CHECK-NEXT: - Index: 0 +; CHECK-NEXT: ReturnType: I32 +; CHECK-NEXT: ParamTypes: +; CHECK-NEXT: - Index: 1 +; CHECK-NEXT: ReturnType: NORESULT +; CHECK-NEXT: ParamTypes: +; CHECK-NEXT: - Type: FUNCTION +; CHECK-NEXT: FunctionTypes: [ 0, 1, 0, 0 ] +; CHECK-NEXT: - Type: TABLE +; CHECK-NEXT: Tables: +; CHECK-NEXT: - ElemType: ANYFUNC +; CHECK-NEXT: Limits: +; CHECK-NEXT: Flags: 0x00000001 +; CHECK-NEXT: Initial: 0x00000001 +; CHECK-NEXT: Maximum: 0x00000001 +; CHECK-NEXT: - Type: MEMORY +; CHECK-NEXT: Memories: +; CHECK-NEXT: - Initial: 0x00000002 +; CHECK-NEXT: - Type: GLOBAL +; CHECK-NEXT: Globals: +; CHECK-NEXT: - Type: I32 +; CHECK-NEXT: Mutable: true +; CHECK-NEXT: InitExpr: +; CHECK-NEXT: Opcode: I32_CONST +; CHECK-NEXT: Value: 66560 +; CHECK-NEXT: - Type: EXPORT +; CHECK-NEXT: Exports: +; CHECK-NEXT: - Name: memory +; CHECK-NEXT: Kind: MEMORY +; CHECK-NEXT: Index: 0 +; CHECK-NEXT: - Name: bar +; CHECK-NEXT: Kind: FUNCTION +; CHECK-NEXT: Index: 0 +; CHECK-NEXT: - Name: _start +; CHECK-NEXT: Kind: FUNCTION +; CHECK-NEXT: Index: 1 +; CHECK-NEXT: - Name: foo +; CHECK-NEXT: Kind: FUNCTION +; CHECK-NEXT: Index: 2 +; CHECK-NEXT: - Name: call_bar +; CHECK-NEXT: Kind: FUNCTION +; CHECK-NEXT: Index: 3 +; CHECK-NEXT: - Type: CODE +; CHECK-NEXT: Functions: +; CHECK-NEXT: - Locals: +; CHECK-NEXT: Body: 41010B +; CHECK-NEXT: - Locals: +; CHECK-NEXT: Body: 1080808080001A0B +; CHECK-NEXT: - Locals: +; CHECK-NEXT: Body: 41000B +; CHECK-NEXT: - Locals: +; CHECK-NEXT: Body: 1080808080000B +; CHECK-NEXT: - Type: CUSTOM +; CHECK-NEXT: Name: linking +; CHECK-NEXT: DataSize: 0 +; CHECK-NEXT: - Type: CUSTOM +; CHECK-NEXT: Name: name +; CHECK-NEXT: FunctionNames: +; CHECK-NEXT: - Index: 0 +; CHECK-NEXT: Name: bar +; CHECK-NEXT: - Index: 1 +; CHECK-NEXT: Name: _start +; CHECK-NEXT: - Index: 2 +; CHECK-NEXT: Name: foo +; CHECK-NEXT: - Index: 3 +; CHECK-NEXT: Name: call_bar +; CHECK-NEXT: ... |
