[clang] [llvm] [Clang] Add `__builtin_stack_address` (PR #148281)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,9 @@
+; RUN: not llc < %s -mtriple nvptx 2>&1 | FileCheck %s
+
+declare ptr @llvm.stackaddress.p0()
+
+define ptr @test() {
+; CHECK: STACKADDRESS is not supported on this target.
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arsenm wrote:

check the error: prefix with location 

https://github.com/llvm/llvm-project/pull/148281