|  | ; radr://6772169 | 
|  | ; RUN: llc < %s -fast-isel | 
|  | ; PR30981 | 
|  | ; RUN: llc < %s -O0 -mcpu=x86-64 -mattr=+avx512f | FileCheck %s | 
|  | target 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" | 
|  | target triple = "x86_64-apple-darwin10" | 
|  | %0 = type { i32, i1 }		; type %0 | 
|  |  | 
|  | declare %0 @llvm.sadd.with.overflow.i32(i32, i32) nounwind | 
|  |  | 
|  | define fastcc i32 @test() nounwind { | 
|  | entry: | 
|  | ; CHECK-LABEL: test: | 
|  | ; CHECK:       ## %bb.0: | 
|  | ; CHECK-NEXT:    movl $1, %eax | 
|  | ; CHECK-NEXT:    addl $0, %eax | 
|  | ; CHECK-NEXT:    seto %cl | 
|  | ; CHECK-NEXT:    movl %eax, -{{[0-9]+}}(%rsp) ## 4-byte Spill | 
|  | ; CHECK-NEXT:    movb %cl, -{{[0-9]+}}(%rsp) ## 1-byte Spill | 
|  | ; CHECK-NEXT:    jo LBB0_2 | 
|  | %tmp1 = call %0 @llvm.sadd.with.overflow.i32(i32 1, i32 0) | 
|  | %tmp2 = extractvalue %0 %tmp1, 1 | 
|  | br i1 %tmp2, label %.backedge, label %BB3 | 
|  |  | 
|  | BB3: | 
|  | %tmp4 = extractvalue %0 %tmp1, 0 | 
|  | br label %.backedge | 
|  |  | 
|  | .backedge: | 
|  | ret i32 0 | 
|  | } |