[lld] Fix test failures when running as root user

[tstellar]

This makes it easier to run the tests in a containerized environment.

[llvmbot]

@llvm/pr-subscribers-lld-coff
@llvm/pr-subscribers-lld
@llvm/pr-subscribers-lld-elf

@llvm/pr-subscribers-lld-macho

Author: Tom Stellard (tstellar)

Changes

This makes it easier to run the tests in a containerized environment.

---

Full diff: https://github.com/llvm/llvm-project/pull/81339.diff

7 Files Affected:

• (modified) lld/test/COFF/lto-cache-errors.ll (+1-1)
• (modified) lld/test/COFF/thinlto-emit-imports.ll (+1-1)
• (modified) lld/test/ELF/lto/resolution-err.ll (+1-1)
• (modified) lld/test/ELF/lto/thinlto-cant-write-index.ll (+1-1)
• (modified) lld/test/ELF/lto/thinlto-emit-imports.ll (+1-1)
• (modified) lld/test/MachO/invalid/invalid-lto-object-path.ll (+1-1)
• (modified) lld/test/MachO/thinlto-emit-imports.ll (+1-1)

diff --git a/lld/test/COFF/lto-cache-errors.ll b/lld/test/COFF/lto-cache-errors.ll
index 55244e5690dc34..a46190a81b6230 100644
--- a/lld/test/COFF/lto-cache-errors.ll
+++ b/lld/test/COFF/lto-cache-errors.ll
@@ -1,4 +1,4 @@
-; REQUIRES: x86
+; REQUIRES: x86, non-root-user
 ;; Not supported on windows since we use permissions to deny the creation
 ; UNSUPPORTED: system-windows
 
diff --git a/lld/test/COFF/thinlto-emit-imports.ll b/lld/test/COFF/thinlto-emit-imports.ll
index a9f22c1dc2dcff..b47a6cea4eb7df 100644
--- a/lld/test/COFF/thinlto-emit-imports.ll
+++ b/lld/test/COFF/thinlto-emit-imports.ll
@@ -1,4 +1,4 @@
-; REQUIRES: x86
+; REQUIRES: x86, non-root-user
 
 ; Generate summary sections and test lld handling.
 ; RUN: opt -module-summary %s -o %t1.obj
diff --git a/lld/test/ELF/lto/resolution-err.ll b/lld/test/ELF/lto/resolution-err.ll
index 6dfa64b1b8b9ee..f9855abaff3279 100644
--- a/lld/test/ELF/lto/resolution-err.ll
+++ b/lld/test/ELF/lto/resolution-err.ll
@@ -1,5 +1,5 @@
 ; UNSUPPORTED: system-windows
-; REQUIRES: shell
+; REQUIRES: shell, non-root-user
 ; RUN: llvm-as %s -o %t.bc
 ; RUN: touch %t.resolution.txt
 ; RUN: chmod u-w %t.resolution.txt
diff --git a/lld/test/ELF/lto/thinlto-cant-write-index.ll b/lld/test/ELF/lto/thinlto-cant-write-index.ll
index e664acbb17de1a..286fcddd4238a1 100644
--- a/lld/test/ELF/lto/thinlto-cant-write-index.ll
+++ b/lld/test/ELF/lto/thinlto-cant-write-index.ll
@@ -1,4 +1,4 @@
-; REQUIRES: x86
+; REQUIRES: x86, non-root-user
 
 ; Basic ThinLTO tests.
 ; RUN: opt -module-summary %s -o %t1.o
diff --git a/lld/test/ELF/lto/thinlto-emit-imports.ll b/lld/test/ELF/lto/thinlto-emit-imports.ll
index 6d0e1e65047db4..253ec08619c982 100644
--- a/lld/test/ELF/lto/thinlto-emit-imports.ll
+++ b/lld/test/ELF/lto/thinlto-emit-imports.ll
@@ -1,4 +1,4 @@
-; REQUIRES: x86
+; REQUIRES: x86, non-root-user
 ;; Test a few properties not tested by thinlto-index-only.ll
 
 ; RUN: opt -module-summary %s -o %t1.o
diff --git a/lld/test/MachO/invalid/invalid-lto-object-path.ll b/lld/test/MachO/invalid/invalid-lto-object-path.ll
index 75c6a97e446fb2..c862538d592ce8 100644
--- a/lld/test/MachO/invalid/invalid-lto-object-path.ll
+++ b/lld/test/MachO/invalid/invalid-lto-object-path.ll
@@ -1,4 +1,4 @@
-; REQUIRES: x86
+; REQUIRES: x86, non-root-user
 
 ;; Creating read-only directories with `chmod 400` isn't supported on Windows
 ; UNSUPPORTED: system-windows
diff --git a/lld/test/MachO/thinlto-emit-imports.ll b/lld/test/MachO/thinlto-emit-imports.ll
index 47a612bd0a7b56..88f766f59c8877 100644
--- a/lld/test/MachO/thinlto-emit-imports.ll
+++ b/lld/test/MachO/thinlto-emit-imports.ll
@@ -1,4 +1,4 @@
-; REQUIRES: x86
+; REQUIRES: x86, non-root-user
 ; RUN: rm -rf %t; split-file %s %t
 
 ; Generate summary sections and test lld handling.

[int3]

Just curious, what were the failure messages?

[tstellar]

Just curious, what were the failure messages?

All the tests that check file permissions fail when you run as root. Here are some logs: https://github.com/tstellar/llvm-project/actions/runs/7830600066/job/21365140565

[tstellar]

/cherry-pick e165bea

[llvmbot]

/pull-request #81988