[lld] [clang-tools-extra] [llvm] [clang] [ELF] --save-temps --lto-emit-asm: derive ELF/asm file names from bitcode file names (PR #78835)

[Fangrui Song via cfe-commits]

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@@ -53,10 +53,10 @@
 
 ; RUN: rm -fr cache && mkdir cache
 ; RUN: ld.lld --thinlto-cache-dir=cache --save-temps -o out b.bc a.bc -M | FileCheck %s --check-prefix=MAP
-; RUN: ls out1.lto.o a.bc.0.preopt.bc b.bc.0.preopt.bc
+; RUN: ls out.lto.a.o a.bc.0.preopt.bc b.bc.0.preopt.bc
 
-; MAP: llvmcache-{{.*}}:(.text)
-; MAP: llvmcache-{{.*}}:(.text)
+; MAP: out.lto.b.o:(.text)
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MaskRay wrote:

This is a new test. I noticed the `-Map` difference, so I pre-committed a test and changed this PR to demonstrate the difference.

https://github.com/llvm/llvm-project/pull/78835