Replace a use of GetTempSymbol with createTempSymbol.

This is cleaner and avoids a crash in a corner case.

llvm-svn: 232471

1 files changed, 23 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/X86/exception-label.ll b/llvm/test/CodeGen/X86/exception-label.ll
new file mode 100644
index 00000000000..cafa1e630b9
--- /dev/null
+++ b/llvm/test/CodeGen/X86/exception-label.ll
@@ -0,0 +1,23 @@
+; RUN: llc < %s -mtriple=x86_64-pc-linux | FileCheck %s
+
+; Test that we can handle .Lexception0 being defined. We used to crash.
+
+; CHECK: .cfi_lsda 3, [[LABEL:.*]]
+; CHECK: [[LABEL]]:
+; CHECK-NEXT: .byte   255                     # @LPStart Encoding = omit
+
+declare void @g()
+
+define void @f() {
+bb0:
+  call void asm ".Lexception0:", ""()
+  invoke void @g()
+          to label %bb2 unwind label %bb1
+bb1:
+  landingpad { i8*, i32 } personality i8* bitcast (void ()* @g to i8*)
+          catch i8* null
+  br label %bb2
+
+bb2:
+  ret void
+}