xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/2009-04-12-FastIselOverflowCrash.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1; RUN: llc < %s -fast-isel
2; radr://6772169
3target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
4target triple = "x86_64-apple-darwin10"
5	%0 = type { i32, i1 }		; type %0
6
7declare %0 @llvm.sadd.with.overflow.i32(i32, i32) nounwind
8
9define fastcc i32 @test() nounwind {
10entry:
11	%tmp1 = call %0 @llvm.sadd.with.overflow.i32(i32 1, i32 0)
12	%tmp2 = extractvalue %0 %tmp1, 1
13	br i1 %tmp2, label %.backedge, label %BB3
14
15BB3:
16	%tmp4 = extractvalue %0 %tmp1, 0
17	br label %.backedge
18
19.backedge:
20	ret i32 0
21}
22