[llvm] [BOLT] Add support for safe-icf (PR #116275)

[Amir Ayupov via llvm-commits]

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@@ -0,0 +1,40 @@
+# clang++ -O2 helper.cpp -c -o helperProf.o
+# int returnFive() {
+#   return 5;
+# }
+# int returnFourOrFive(int val) {
+#   return val == 1 ? 4 : 5;
+# }
+
+	.text
+	.file	"helper.cpp"
+	.globl	_Z10returnFivev                 # -- Begin function _Z10returnFivev
+	.p2align	4, 0x90
+	.type	_Z10returnFivev, at function
+_Z10returnFivev:                        # @_Z10returnFivev
+	.cfi_startproc
+# %bb.0:                                # %entry
+	movl	$5, %eax
+	retq
+.Lfunc_end0:
+	.size	_Z10returnFivev, .Lfunc_end0-_Z10returnFivev
+	.cfi_endproc
+                                        # -- End function
+	.globl	_Z16returnFourOrFivei           # -- Begin function _Z16returnFourOrFivei
+	.p2align	4, 0x90
+	.type	_Z16returnFourOrFivei, at function
+_Z16returnFourOrFivei:                  # @_Z16returnFourOrFivei
+	.cfi_startproc
+# %bb.0:                                # %entry
+	xorl	%eax, %eax
+	cmpl	$1, %edi
+	sete	%al
+	xorl	$5, %eax
+	retq
+.Lfunc_end1:
+	.size	_Z16returnFourOrFivei, .Lfunc_end1-_Z16returnFourOrFivei
+	.cfi_endproc
+                                        # -- End function
+	.ident	"clang version 20.0.0git"
+	.section	".note.GNU-stack","", at progbits
+	.addrsig
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aaupov wrote:

```suggestion
```

https://github.com/llvm/llvm-project/pull/116275