diff --git a/lld/test/wasm/lto/relocation-model.ll b/lld/test/wasm/lto/relocation-model.ll new file mode 100644 index 0000000000000..8fe198d0c64e6 --- /dev/null +++ b/lld/test/wasm/lto/relocation-model.ll @@ -0,0 +1,21 @@ +;; The explicit relocation model flag. + +; RUN: llvm-as %s -o %t.o + +; RUN: wasm-ld %t.o -o %t.wasm -save-temps -r -mllvm -relocation-model=pic +; RUN: llvm-readobj -r %t.wasm.lto.o | FileCheck %s --check-prefix=PIC + +; RUN: wasm-ld %t.o -o %t_static.wasm -save-temps -r -mllvm -relocation-model=static +; RUN: llvm-readobj -r %t_static.wasm.lto.o | FileCheck %s --check-prefix=STATIC + +; PIC: R_WASM_GLOBAL_INDEX_LEB foo +; STATIC: R_WASM_MEMORY_ADDR_LEB foo + +target datalayout = "e-m:e-p:32:32-p10:8:8-p20:8:8-i64:64-n32:64-S128-ni:1:10:20" +target triple = "wasm32-unknown-unknown" + +@foo = external global i32 +define i32 @_start() { + %t = load i32, i32* @foo + ret i32 %t +} diff --git a/lld/wasm/LTO.cpp b/lld/wasm/LTO.cpp index 71f18aa25a35c..ae85f4693214b 100644 --- a/lld/wasm/LTO.cpp +++ b/lld/wasm/LTO.cpp @@ -57,7 +57,9 @@ static lto::Config createConfig() { c.DebugPassManager = ctx.arg.ltoDebugPassManager; c.AlwaysEmitRegularLTOObj = !ctx.arg.ltoObjPath.empty(); - if (ctx.arg.relocatable) + if (auto relocModel = getRelocModelFromCMModel()) + c.RelocModel = *relocModel; + else if (ctx.arg.relocatable) c.RelocModel = std::nullopt; else if (ctx.isPic) c.RelocModel = Reloc::PIC_;