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[lld-link] Change /lldemit:llvm to use the pre-codegen module

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This matches ELF (#97480). clang cc1 -emit-llvm and -emit-llvm-bc for
ThinLTO backend compilation also uses `PreCodeGenModuleHook`.

While here, replace deprecated %T with %t.

Pull Request: https://github.com/llvm/llvm-project/pull/98589
This commit is contained in:
Fangrui Song 2024-07-16 17:56:08 -07:00 committed by GitHub
parent 746cea3eb7
commit cf6233f408
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2 changed files with 6 additions and 5 deletions
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2
lld/COFF/LTO.cpp
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@ -91,7 +91,7 @@ lto::Config BitcodeCompiler::createConfig() {
c.TimeTraceGranularity = ctx.config.timeTraceGranularity;
if (ctx.config.emit == EmitKind::LLVM) {
c.PostInternalizeModuleHook = [this](size_t task, const Module &m) {
c.PreCodeGenModuleHook = [this](size_t task, const Module &m) {
if (std::unique_ptr<raw_fd_ostream> os =
openLTOOutputFile(ctx.config.outputFile))
WriteBitcodeToFile(m, *os, false);

9
lld/test/COFF/lto-emit-llvm.ll
View File

@ -1,10 +1,11 @@
; REQUIRES: x86
; RUN: llvm-as -o %T/lto.obj %s
; RUN: rm -rf %t && mkdir %t
; RUN: llvm-as -o %t/lto.obj %s
; RUN: lld-link /lldemit:llvm /out:%T/lto.bc /entry:main /subsystem:console %T/lto.obj
; RUN: llvm-dis %T/lto.bc -o - | FileCheck %s
; RUN: lld-link /lldemit:llvm /out:%t/lto.bc /entry:main /subsystem:console %t/lto.obj
; RUN: llvm-dis %t/lto.bc -o - | FileCheck %s
; CHECK: define void @main()
; CHECK: define void @main() local_unnamed_addr
target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-windows-msvc"