llvm-project/llvm/test/CodeGen/X86/critical-edge-split-2.ll

41 lines
1.2 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s
%0 = type <{ %1, %1 }>
%1 = type { i8, i8, i8, i8 }
@g_2 = global %0 zeroinitializer
@g_4 = global %1 zeroinitializer, align 4
; PR8642
define i16 @test1(i1 zeroext %C, i8** nocapture %argv) nounwind ssp {
; CHECK-LABEL: test1:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: movw $1, %ax
; CHECK-NEXT: testl %edi, %edi
; CHECK-NEXT: jne .LBB0_2
; CHECK-NEXT: # %bb.1: # %cond.false.i
; CHECK-NEXT: movl $g_4, %eax
; CHECK-NEXT: movl $g_2+4, %ecx
; CHECK-NEXT: xorl %esi, %esi
; CHECK-NEXT: cmpq %rax, %rcx
; CHECK-NEXT: sete %sil
; CHECK-NEXT: movl $1, %eax
; CHECK-NEXT: xorl %edx, %edx
; CHECK-NEXT: divl %esi
; CHECK-NEXT: movl %edx, %eax
; CHECK-NEXT: .LBB0_2: # %cond.end.i
; CHECK-NEXT: # kill: def %ax killed %ax killed %eax
; CHECK-NEXT: retq
entry:
br i1 %C, label %cond.end.i, label %cond.false.i
cond.false.i:
br label %cond.end.i
cond.end.i:
%call1 = phi i16 [ trunc (i32 srem (i32 1, i32 zext (i1 icmp eq (%1* bitcast (i8* getelementptr inbounds (%0, %0* @g_2, i64 0, i32 1, i32 0) to %1*), %1* @g_4) to i32)) to i16), %cond.false.i ], [ 1, %entry ]
ret i16 %call1
}