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