Teach local register allocator to deal with landing pad MBB's.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51647 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 30 insertions, 0 deletions

diff --git a/test/CodeGen/X86/2008-05-28-LocalRegAllocBug.ll b/test/CodeGen/X86/2008-05-28-LocalRegAllocBug.ll
new file mode 100644
index 0000000000..02db2ed93c
--- /dev/null
+++ b/test/CodeGen/X86/2008-05-28-LocalRegAllocBug.ll
@@ -0,0 +1,30 @@
+; RUN: llvm-as < %s | llc -mtriple=i386-apple-darwin -regalloc=local
+
+@_ZTVN10Evaluation10GridOutputILi3EEE = external constant [5 x i32 (...)*]		; <[5 x i32 (...)*]*> [#uses=1]
+
+declare i8* @llvm.eh.exception() nounwind 
+
+declare i8* @_Znwm(i32)
+
+declare i8* @__cxa_begin_catch(i8*) nounwind 
+
+define i32 @main(i32 %argc, i8** %argv) {
+entry:
+	br i1 false, label %bb37, label %bb34
+
+bb34:		; preds = %entry
+	ret i32 1
+
+bb37:		; preds = %entry
+	%tmp12.i.i.i.i.i66 = invoke i8* @_Znwm( i32 12 )
+			to label %tmp12.i.i.i.i.i.noexc65 unwind label %lpad243		; <i8*> [#uses=0]
+
+tmp12.i.i.i.i.i.noexc65:		; preds = %bb37
+	unreachable
+
+lpad243:		; preds = %bb37
+	%eh_ptr244 = call i8* @llvm.eh.exception( )		; <i8*> [#uses=1]
+	store i32 (...)** getelementptr ([5 x i32 (...)*]* @_ZTVN10Evaluation10GridOutputILi3EEE, i32 0, i32 2), i32 (...)*** null, align 8
+	%tmp133 = call i8* @__cxa_begin_catch( i8* %eh_ptr244 ) nounwind 		; <i8*> [#uses=0]
+	unreachable
+}