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42 lines
1.3 KiB
LLVM
42 lines
1.3 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 | FileCheck %s
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define i32 @foo(i64* nocapture %perm, i32 %n) {
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; CHECK-LABEL: foo:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: movl %esi, %eax
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; CHECK-NEXT: movaps {{.*#+}} xmm0 = [0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0]
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; CHECK-NEXT: movl %esi, %ecx
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; CHECK-NEXT: andl $1, %ecx
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; CHECK-NEXT: movaps {{.*#+}} xmm1 = [2,3]
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; CHECK-NEXT: .p2align 4, 0x90
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; CHECK-NEXT: .LBB0_1: # %body
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; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
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; CHECK-NEXT: movaps %xmm0, -{{[0-9]+}}(%rsp)
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; CHECK-NEXT: movq -24(%rsp,%rcx,8), %rdx
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; CHECK-NEXT: movups %xmm0, (%rdi,%rdx,8)
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; CHECK-NEXT: testq %rdx, %rdx
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; CHECK-NEXT: movaps %xmm1, %xmm0
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; CHECK-NEXT: jne .LBB0_1
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; CHECK-NEXT: # %bb.2: # %exit
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; CHECK-NEXT: # kill: def $eax killed $eax killed $rax
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; CHECK-NEXT: retq
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entry:
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br label %body
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body:
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%vec.ind = phi <2 x i64> [ <i64 0, i64 1>, %entry ], [ <i64 2, i64 3>, %body ]
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%l13 = extractelement <2 x i64> %vec.ind, i32 %n
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%l14 = getelementptr inbounds i64, i64* %perm, i64 %l13
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%l15 = bitcast i64* %l14 to <2 x i64>*
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store <2 x i64> %vec.ind, <2 x i64>* %l15, align 8
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%niter.ncmp.3 = icmp eq i64 %l13, 0
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br i1 %niter.ncmp.3, label %exit, label %body
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exit:
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ret i32 %n
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}
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