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| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse4.2 | FileCheck %s
define void @update(<3 x i8>* %dst, <3 x i8>* %src, i32 %n) nounwind {
; CHECK-LABEL: update:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: pushl %eax
; CHECK-NEXT: movl $0, (%esp)
; CHECK-NEXT: pcmpeqd %xmm0, %xmm0
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .LBB0_1: # %forcond
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl (%esp), %eax
; CHECK-NEXT: cmpl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: jge .LBB0_3
; CHECK-NEXT: # %bb.2: # %forbody
; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1
; CHECK-NEXT: movl (%esp), %eax
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %edx
; CHECK-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
; CHECK-NEXT: psubb %xmm0, %xmm1
; CHECK-NEXT: pextrb $2, %xmm1, 2(%ecx,%eax,4)
; CHECK-NEXT: pextrw $0, %xmm1, (%ecx,%eax,4)
; CHECK-NEXT: incl (%esp)
; CHECK-NEXT: jmp .LBB0_1
; CHECK-NEXT: .LBB0_3: # %afterfor
; CHECK-NEXT: popl %eax
; CHECK-NEXT: retl
entry:
%dst.addr = alloca <3 x i8>*
%src.addr = alloca <3 x i8>*
%n.addr = alloca i32
%i = alloca i32, align 4
store <3 x i8>* %dst, <3 x i8>** %dst.addr
store <3 x i8>* %src, <3 x i8>** %src.addr
store i32 %n, i32* %n.addr
store i32 0, i32* %i
br label %forcond
forcond:
%tmp = load i32, i32* %i
%tmp1 = load i32, i32* %n.addr
%cmp = icmp slt i32 %tmp, %tmp1
br i1 %cmp, label %forbody, label %afterfor
forbody:
%tmp2 = load i32, i32* %i
%tmp3 = load <3 x i8>*, <3 x i8>** %dst.addr
%arrayidx = getelementptr <3 x i8>, <3 x i8>* %tmp3, i32 %tmp2
%tmp4 = load i32, i32* %i
%tmp5 = load <3 x i8>*, <3 x i8>** %src.addr
%arrayidx6 = getelementptr <3 x i8>, <3 x i8>* %tmp5, i32 %tmp4
%tmp7 = load <3 x i8>, <3 x i8>* %arrayidx6
%add = add <3 x i8> %tmp7, < i8 1, i8 1, i8 1 >
store <3 x i8> %add, <3 x i8>* %arrayidx
br label %forinc
forinc:
%tmp8 = load i32, i32* %i
%inc = add i32 %tmp8, 1
store i32 %inc, i32* %i
br label %forcond
afterfor:
ret void
}
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