[llvm] 187ca86 - Reapply "[llvm-jitlink] Replace IR backtrace symbolication test..." (… (#175476)

[via llvm-commits]

Author: Lang Hames
Date: 2026-01-12T14:14:40+11:00
New Revision: 187ca8609ab838516bbc5e96d7cb9e65e82e95a3

URL: https://github.com/llvm/llvm-project/commit/187ca8609ab838516bbc5e96d7cb9e65e82e95a3
DIFF: https://github.com/llvm/llvm-project/commit/187ca8609ab838516bbc5e96d7cb9e65e82e95a3.diff

LOG: Reapply "[llvm-jitlink] Replace IR backtrace symbolication test..." (… (#175476)

…#175242)

This reapplies 451ca458cf51d553f5c49e67d841280e8166f933, which was
reverted in 25976e83606f1a7615e3725e6038bb53ee96c3d5 due to bot
failures.

The REQUIRES line has been further constrained to try to address the
failures.

Added: 
    llvm/test/ExecutionEngine/JITLink/AArch64/backtrace-symbolication.s

Modified: 
    

Removed: 
    


################################################################################
diff  --git a/llvm/test/ExecutionEngine/JITLink/AArch64/backtrace-symbolication.s b/llvm/test/ExecutionEngine/JITLink/AArch64/backtrace-symbolication.s
new file mode 100644
index 0000000000000..383d0c8518663
--- /dev/null
+++ b/llvm/test/ExecutionEngine/JITLink/AArch64/backtrace-symbolication.s
@@ -0,0 +1,42 @@
+# RUN: rm -rf %t && mkdir -p %t
+# RUN: llvm-mc -triple=arm64-apple-darwin -filetype=obj -o %t/crash.o %s
+# RUN: not --crash llvm-jitlink -debugger-support=false \
+# RUN:     -write-symtab %t/crash.symtab.txt %t/crash.o \
+# RUN:     > %t/backtrace.txt 2>&1
+# RUN: llvm-jitlink -symbolicate-with %t/crash.symtab.txt %t/backtrace.txt \
+# RUN:     | FileCheck %s
+
+# Deliberately crash by dereferencing an environment variable that should never
+# be defined, then symbolicate the backtrace using the dumped symbol table.
+
+# REQUIRES: system-darwin && native && target-aarch64
+
+# CHECK: this_should_crash {{.*}} ({{.*}}crash.o)
+
+	.build_version macos, 26, 0
+	.section	__TEXT,__text,regular,pure_instructions
+	.globl	_this_should_crash
+	.p2align	2
+_this_should_crash:
+	stp	x29, x30, [sp, #-16]!
+	adrp	x0, l_.str at PAGE
+	add	x0, x0, l_.str at PAGEOFF
+	bl	_getenv
+	ldrsb	w0, [x0]
+	ldp	x29, x30, [sp], #16
+	ret
+
+
+	.globl	_main
+	.p2align	2
+_main:
+	stp	x29, x30, [sp, #-16]!
+	bl	_this_should_crash
+	ldp	x29, x30, [sp], #16
+	ret
+
+	.section	__TEXT,__const
+l_.str:
+	.asciz	"a thousand curses upon anyone who dares define this"
+
+.subsections_via_symbols