llvm-project/llvm/test/CodeGen/X86/2009-04-12-FastIselOverflow...

30 lines
856 B
LLVM

; 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, [[REG:%e[a-z]+]]
; CHECK-NEXT: addl $0, [[REG]]
; CHECK-NEXT: seto {{%[a-z]+l}}
; CHECK: 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
}