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[X86] Adding reproducer for pr30981 

llvm-svn: 286855
This commit is contained in:
Zvi Rackover 2016-11-14 18:10:44 +00:00
parent d0c646117f
commit 35bb7fdadc
1 changed files with 11 additions and 1 deletions
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12
llvm/test/CodeGen/X86/2009-04-12-FastIselOverflowCrash.ll
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@ -1,5 +1,7 @@
; RUN: llc < %s -fast-isel
; 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
@ -8,6 +10,14 @@ 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 %k0
; CHECK-NEXT: movl %eax, -4(%rsp) ## 4-byte Spill
; CHECK-NEXT: kmovw %k0, -6(%rsp) ## 2-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