; REQUIRES: x86 ; RUN: rm -rf %t && split-file %s %t && cd %t ; RUN: llvm-as main.ll -o main.o ; RUN: llvm-as puts.ll -o puts.o ; RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown printf.s -o printf.o ; RUN: llvm-ar rcs libc.a puts.o printf.o ;; Ensure that no printf->puts translation occurs during LTO because puts is in ;; bitcode, but was not brought into the link. This would fail the link by ;; extracting bitcode after LTO. ; RUN: wasm-ld -o out.wasm main.o libc.a ; RUN: obj2yaml out.wasm | FileCheck %s ;; Test the same behavior with lazy objects. ; RUN: wasm-ld -o out-lazy.wasm main.o --start-lib puts.o --end-lib printf.o ; RUN: obj2yaml out-lazy.wasm | FileCheck %s ;; Test that translation DOES occur when puts is extracted and brought into the link. ; RUN: wasm-ld -o out-extracted.wasm main.o puts.o printf.o ; RUN: obj2yaml out-extracted.wasm | FileCheck %s --check-prefix=EXTRACTED ; CHECK-NOT: Name: puts ; CHECK: Name: printf ; EXTRACTED: Name: puts ; EXTRACTED-NOT: Name: printf ;--- puts.ll 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" define i32 @puts(ptr nocapture readonly %0) noinline { call void asm sideeffect "", ""() ret i32 0 } ;--- printf.s .globl printf printf: .functype printf (i32, i32) -> (i32) i32.const 0 end_function ;--- main.ll 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" @str = constant [5 x i8] c"foo\0A\00" define i32 @_start() { %call = call i32 (ptr, ...) @printf(ptr @str) ret i32 0 } declare i32 @printf(ptr, ...)