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; RUN: llc < %s -march=x86-64 -mcpu=corei7 -verify-machineinstrs | FileCheck %s
define void @test(i8** %a, i64* %b, i64 %c, i64 %d) nounwind {
entry:
%ptrtoarg4 = load i8** %a, align 8
%brglist1 = getelementptr i8*, i8** %a, i64 1
%ptrtoarg25 = load i8** %brglist1, align 8
%0 = load i64* %b, align 8
%1 = mul i64 %0, 4
%scevgep = getelementptr i8, i8* %ptrtoarg25, i64 %1
%2 = mul i64 %d, 4
br label %loop.cond
loop.cond: ; preds = %test.exit, %entry
%asr.iv6 = phi i8* [ %29, %test.exit ], [ %scevgep, %entry ]
%iv = phi i64 [ %0, %entry ], [ %28, %test.exit ]
%3 = icmp eq i64 %iv, %c
br i1 %3, label %return, label %loop
loop: ; preds = %loop.cond
%4 = load i64* addrspace(256)* inttoptr (i64 264 to i64* addrspace(256)*), align 8
%5 = load i64* %4, align 8
%vector.size.i = ashr i64 %5, 3
%num.vector.wi.i = shl i64 %vector.size.i, 3
%6 = icmp eq i64 %vector.size.i, 0
br i1 %6, label %scalarIf.i, label %dim_0_vector_pre_head.i
dim_0_vector_pre_head.i: ; preds = %loop
%7 = trunc i64 %5 to i32
%tempvector_func.i = insertelement <8 x i32> undef, i32 %7, i32 0
%vectorvector_func.i = shufflevector <8 x i32> %tempvector_func.i, <8 x i32> undef, <8 x i32> zeroinitializer
br label %vector_kernel_entry.i
vector_kernel_entry.i: ; preds = %vector_kernel_entry.i, %dim_0_vector_pre_head.i
%asr.iv9 = phi i8* [ %scevgep10, %vector_kernel_entry.i ], [ %asr.iv6, %dim_0_vector_pre_head.i ]
%asr.iv = phi i64 [ %asr.iv.next, %vector_kernel_entry.i ], [ %vector.size.i, %dim_0_vector_pre_head.i ]
%8 = addrspacecast i8* %ptrtoarg4 to i32 addrspace(1)*
%asr.iv911 = addrspacecast i8* %asr.iv9 to <8 x i32> addrspace(1)*
%9 = load <8 x i32> addrspace(1)* %asr.iv911, align 4
%extract8vector_func.i = extractelement <8 x i32> %9, i32 0
%extract9vector_func.i = extractelement <8 x i32> %9, i32 1
%extract10vector_func.i = extractelement <8 x i32> %9, i32 2
%extract11vector_func.i = extractelement <8 x i32> %9, i32 3
%extract12vector_func.i = extractelement <8 x i32> %9, i32 4
%extract13vector_func.i = extractelement <8 x i32> %9, i32 5
%extract14vector_func.i = extractelement <8 x i32> %9, i32 6
%extract15vector_func.i = extractelement <8 x i32> %9, i32 7
%10 = atomicrmw min i32 addrspace(1)* %8, i32 %extract8vector_func.i seq_cst
%11 = atomicrmw min i32 addrspace(1)* %8, i32 %extract9vector_func.i seq_cst
%12 = atomicrmw min i32 addrspace(1)* %8, i32 %extract10vector_func.i seq_cst
%13 = atomicrmw min i32 addrspace(1)* %8, i32 %extract11vector_func.i seq_cst
%14 = atomicrmw min i32 addrspace(1)* %8, i32 %extract12vector_func.i seq_cst
%15 = atomicrmw min i32 addrspace(1)* %8, i32 %extract13vector_func.i seq_cst
%16 = atomicrmw min i32 addrspace(1)* %8, i32 %extract14vector_func.i seq_cst
%17 = atomicrmw min i32 addrspace(1)* %8, i32 %extract15vector_func.i seq_cst
store <8 x i32> %vectorvector_func.i, <8 x i32> addrspace(1)* %asr.iv911, align 4
%asr.iv.next = add i64 %asr.iv, -1
%scevgep10 = getelementptr i8, i8* %asr.iv9, i64 32
%dim_0_vector_cmp.to.max.i = icmp eq i64 %asr.iv.next, 0
br i1 %dim_0_vector_cmp.to.max.i, label %scalarIf.i, label %vector_kernel_entry.i
scalarIf.i: ; preds = %vector_kernel_entry.i, %loop
%exec_wi.i = phi i64 [ 0, %loop ], [ %num.vector.wi.i, %vector_kernel_entry.i ]
%18 = icmp eq i64 %exec_wi.i, %5
br i1 %18, label %test.exit, label %dim_0_pre_head.i
dim_0_pre_head.i: ; preds = %scalarIf.i
%19 = load i64* addrspace(256)* inttoptr (i64 264 to i64* addrspace(256)*), align 8
%20 = load i64* %19, align 8
%21 = trunc i64 %20 to i32
%22 = mul i64 %vector.size.i, 8
br label %scalar_kernel_entry.i
scalar_kernel_entry.i: ; preds = %scalar_kernel_entry.i, %dim_0_pre_head.i
%asr.iv12 = phi i64 [ %asr.iv.next13, %scalar_kernel_entry.i ], [ %22, %dim_0_pre_head.i ]
%23 = addrspacecast i8* %asr.iv6 to i32 addrspace(1)*
%24 = addrspacecast i8* %ptrtoarg4 to i32 addrspace(1)*
%scevgep16 = getelementptr i32, i32 addrspace(1)* %23, i64 %asr.iv12
%25 = load i32 addrspace(1)* %scevgep16, align 4
%26 = atomicrmw min i32 addrspace(1)* %24, i32 %25 seq_cst
%scevgep15 = getelementptr i32, i32 addrspace(1)* %23, i64 %asr.iv12
store i32 %21, i32 addrspace(1)* %scevgep15, align 4
%asr.iv.next13 = add i64 %asr.iv12, 1
%dim_0_cmp.to.max.i = icmp eq i64 %5, %asr.iv.next13
br i1 %dim_0_cmp.to.max.i, label %test.exit, label %scalar_kernel_entry.i
test.exit: ; preds = %scalar_kernel_entry.i, %scalarIf.i
%27 = bitcast i8* %asr.iv6 to i1*
%28 = add i64 %iv, %d
store i64 %28, i64* %b, align 8
%scevgep8 = getelementptr i1, i1* %27, i64 %2
%29 = bitcast i1* %scevgep8 to i8*
br label %loop.cond
return: ; preds = %loop.cond
store i64 %0, i64* %b, align 8
ret void
}
; CHECK: test
; CHECK: decq
; CHECK-NOT: cmpxchgl
; CHECK: jne
; CHECK: ret
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