1 ; radr://6772169 2 ; RUN: llc < %s -fast-isel 3 ; PR30981 4 ; RUN: llc < %s -O0 -mcpu=x86-64 -mattr=+avx512f | FileCheck %s 5 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" 6 target triple = "x86_64-apple-darwin10" 7 %0 = type { i32, i1 } ; type %0 8 9 declare %0 @llvm.sadd.with.overflow.i32(i32, i32) nounwind 10 11 define fastcc i32 @test() nounwind { 12 entry: 13 ; CHECK-LABEL: test: 14 ; CHECK: ## %bb.0: 15 ; CHECK-NEXT: movl $1, %eax 16 ; CHECK-NEXT: addl $0, %eax 17 ; CHECK-NEXT: seto %cl 18 ; CHECK-NEXT: movl %eax, -{{[0-9]+}}(%rsp) ## 4-byte Spill 19 ; CHECK-NEXT: movb %cl, -{{[0-9]+}}(%rsp) ## 1-byte Spill 20 ; CHECK-NEXT: jo LBB0_2 21 %tmp1 = call %0 @llvm.sadd.with.overflow.i32(i32 1, i32 0) 22 %tmp2 = extractvalue %0 %tmp1, 1 23 br i1 %tmp2, label %.backedge, label %BB3 24 25 BB3: 26 %tmp4 = extractvalue %0 %tmp1, 0 27 br label %.backedge 28 29 .backedge: 30 ret i32 0 31 } 32