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80 lines
2.6 KiB
LLVM
80 lines
2.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.2 | FileCheck %s
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; widen a v3i32 to v4i32 to do a vector multiple and a subtraction
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define void @update(<3 x i32>* %dst, <3 x i32>* %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: movq %rdi, -{{[0-9]+}}(%rsp)
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; CHECK-NEXT: movq %rsi, -{{[0-9]+}}(%rsp)
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; CHECK-NEXT: movl %edx, -{{[0-9]+}}(%rsp)
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; CHECK-NEXT: movq {{.*}}(%rip), %rax
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; CHECK-NEXT: movq %rax, -{{[0-9]+}}(%rsp)
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; CHECK-NEXT: movl $1, -{{[0-9]+}}(%rsp)
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; CHECK-NEXT: movl $0, -{{[0-9]+}}(%rsp)
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; CHECK-NEXT: movdqa {{.*#+}} xmm0 = <3,3,3,u>
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; CHECK-NEXT: jmp .LBB0_1
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; CHECK-NEXT: .p2align 4, 0x90
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; CHECK-NEXT: .LBB0_2: # %forbody
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; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1
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; CHECK-NEXT: movq -{{[0-9]+}}(%rsp), %rax
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; CHECK-NEXT: movslq -{{[0-9]+}}(%rsp), %rcx
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; CHECK-NEXT: shlq $4, %rcx
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; CHECK-NEXT: movq -{{[0-9]+}}(%rsp), %rdx
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; CHECK-NEXT: movdqa (%rdx,%rcx), %xmm1
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; CHECK-NEXT: pslld $2, %xmm1
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; CHECK-NEXT: psubd %xmm0, %xmm1
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; CHECK-NEXT: pextrd $2, %xmm1, 8(%rax,%rcx)
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; CHECK-NEXT: movq %xmm1, (%rax,%rcx)
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; CHECK-NEXT: incl -{{[0-9]+}}(%rsp)
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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 -{{[0-9]+}}(%rsp), %eax
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; CHECK-NEXT: cmpl -{{[0-9]+}}(%rsp), %eax
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; CHECK-NEXT: jl .LBB0_2
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; CHECK-NEXT: # %bb.3: # %afterfor
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; CHECK-NEXT: retq
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entry:
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%dst.addr = alloca <3 x i32>*
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%src.addr = alloca <3 x i32>*
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%n.addr = alloca i32
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%v = alloca <3 x i32>, align 16
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%i = alloca i32, align 4
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store <3 x i32>* %dst, <3 x i32>** %dst.addr
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store <3 x i32>* %src, <3 x i32>** %src.addr
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store i32 %n, i32* %n.addr
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store <3 x i32> < i32 1, i32 1, i32 1 >, <3 x i32>* %v
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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 i32>*, <3 x i32>** %dst.addr
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%arrayidx = getelementptr <3 x i32>, <3 x i32>* %tmp3, i32 %tmp2
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%tmp4 = load i32, i32* %i
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%tmp5 = load <3 x i32>*, <3 x i32>** %src.addr
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%arrayidx6 = getelementptr <3 x i32>, <3 x i32>* %tmp5, i32 %tmp4
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%tmp7 = load <3 x i32>, <3 x i32>* %arrayidx6
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%mul = mul <3 x i32> %tmp7, < i32 4, i32 4, i32 4 >
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%sub = sub <3 x i32> %mul, < i32 3, i32 3, i32 3 >
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store <3 x i32> %sub, <3 x i32>* %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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