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0e2c14381d
This will make it easier to turn on struct-path aware TBAA since the metadata format will change. llvm-svn: 180935
105 lines
5.0 KiB
LLVM
105 lines
5.0 KiB
LLVM
; RUN: llc < %s -march=x86-64 -mcpu=corei7 -verify-machineinstrs | FileCheck %s
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define void @test(i8** %a, i64* %b, i64 %c, i64 %d) nounwind {
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entry:
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%ptrtoarg4 = load i8** %a, align 8
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%brglist1 = getelementptr i8** %a, i64 1
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%ptrtoarg25 = load i8** %brglist1, align 8
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%0 = load i64* %b, align 8
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%1 = mul i64 %0, 4
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%scevgep = getelementptr i8* %ptrtoarg25, i64 %1
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%2 = mul i64 %d, 4
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br label %loop.cond
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loop.cond: ; preds = %test.exit, %entry
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%asr.iv6 = phi i8* [ %29, %test.exit ], [ %scevgep, %entry ]
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%iv = phi i64 [ %0, %entry ], [ %28, %test.exit ]
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%3 = icmp eq i64 %iv, %c
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br i1 %3, label %return, label %loop
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loop: ; preds = %loop.cond
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%4 = load i64* addrspace(256)* inttoptr (i64 264 to i64* addrspace(256)*), align 8
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%5 = load i64* %4, align 8
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%vector.size.i = ashr i64 %5, 3
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%num.vector.wi.i = shl i64 %vector.size.i, 3
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%6 = icmp eq i64 %vector.size.i, 0
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br i1 %6, label %scalarIf.i, label %dim_0_vector_pre_head.i
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dim_0_vector_pre_head.i: ; preds = %loop
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%7 = trunc i64 %5 to i32
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%tempvector_func.i = insertelement <8 x i32> undef, i32 %7, i32 0
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%vectorvector_func.i = shufflevector <8 x i32> %tempvector_func.i, <8 x i32> undef, <8 x i32> zeroinitializer
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br label %vector_kernel_entry.i
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vector_kernel_entry.i: ; preds = %vector_kernel_entry.i, %dim_0_vector_pre_head.i
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%asr.iv9 = phi i8* [ %scevgep10, %vector_kernel_entry.i ], [ %asr.iv6, %dim_0_vector_pre_head.i ]
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%asr.iv = phi i64 [ %asr.iv.next, %vector_kernel_entry.i ], [ %vector.size.i, %dim_0_vector_pre_head.i ]
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%8 = bitcast i8* %ptrtoarg4 to i32 addrspace(1)*
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%asr.iv911 = bitcast i8* %asr.iv9 to <8 x i32> addrspace(1)*
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%9 = load <8 x i32> addrspace(1)* %asr.iv911, align 4
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%extract8vector_func.i = extractelement <8 x i32> %9, i32 0
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%extract9vector_func.i = extractelement <8 x i32> %9, i32 1
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%extract10vector_func.i = extractelement <8 x i32> %9, i32 2
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%extract11vector_func.i = extractelement <8 x i32> %9, i32 3
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%extract12vector_func.i = extractelement <8 x i32> %9, i32 4
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%extract13vector_func.i = extractelement <8 x i32> %9, i32 5
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%extract14vector_func.i = extractelement <8 x i32> %9, i32 6
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%extract15vector_func.i = extractelement <8 x i32> %9, i32 7
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%10 = atomicrmw min i32 addrspace(1)* %8, i32 %extract8vector_func.i seq_cst
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%11 = atomicrmw min i32 addrspace(1)* %8, i32 %extract9vector_func.i seq_cst
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%12 = atomicrmw min i32 addrspace(1)* %8, i32 %extract10vector_func.i seq_cst
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%13 = atomicrmw min i32 addrspace(1)* %8, i32 %extract11vector_func.i seq_cst
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%14 = atomicrmw min i32 addrspace(1)* %8, i32 %extract12vector_func.i seq_cst
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%15 = atomicrmw min i32 addrspace(1)* %8, i32 %extract13vector_func.i seq_cst
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%16 = atomicrmw min i32 addrspace(1)* %8, i32 %extract14vector_func.i seq_cst
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%17 = atomicrmw min i32 addrspace(1)* %8, i32 %extract15vector_func.i seq_cst
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store <8 x i32> %vectorvector_func.i, <8 x i32> addrspace(1)* %asr.iv911, align 4
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%asr.iv.next = add i64 %asr.iv, -1
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%scevgep10 = getelementptr i8* %asr.iv9, i64 32
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%dim_0_vector_cmp.to.max.i = icmp eq i64 %asr.iv.next, 0
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br i1 %dim_0_vector_cmp.to.max.i, label %scalarIf.i, label %vector_kernel_entry.i
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scalarIf.i: ; preds = %vector_kernel_entry.i, %loop
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%exec_wi.i = phi i64 [ 0, %loop ], [ %num.vector.wi.i, %vector_kernel_entry.i ]
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%18 = icmp eq i64 %exec_wi.i, %5
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br i1 %18, label %test.exit, label %dim_0_pre_head.i
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dim_0_pre_head.i: ; preds = %scalarIf.i
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%19 = load i64* addrspace(256)* inttoptr (i64 264 to i64* addrspace(256)*), align 8
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%20 = load i64* %19, align 8
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%21 = trunc i64 %20 to i32
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%22 = mul i64 %vector.size.i, 8
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br label %scalar_kernel_entry.i
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scalar_kernel_entry.i: ; preds = %scalar_kernel_entry.i, %dim_0_pre_head.i
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%asr.iv12 = phi i64 [ %asr.iv.next13, %scalar_kernel_entry.i ], [ %22, %dim_0_pre_head.i ]
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%23 = bitcast i8* %asr.iv6 to i32 addrspace(1)*
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%24 = bitcast i8* %ptrtoarg4 to i32 addrspace(1)*
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%scevgep16 = getelementptr i32 addrspace(1)* %23, i64 %asr.iv12
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%25 = load i32 addrspace(1)* %scevgep16, align 4
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%26 = atomicrmw min i32 addrspace(1)* %24, i32 %25 seq_cst
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%scevgep15 = getelementptr i32 addrspace(1)* %23, i64 %asr.iv12
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store i32 %21, i32 addrspace(1)* %scevgep15, align 4
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%asr.iv.next13 = add i64 %asr.iv12, 1
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%dim_0_cmp.to.max.i = icmp eq i64 %5, %asr.iv.next13
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br i1 %dim_0_cmp.to.max.i, label %test.exit, label %scalar_kernel_entry.i
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test.exit: ; preds = %scalar_kernel_entry.i, %scalarIf.i
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%27 = bitcast i8* %asr.iv6 to i1*
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%28 = add i64 %iv, %d
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store i64 %28, i64* %b, align 8
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%scevgep8 = getelementptr i1* %27, i64 %2
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%29 = bitcast i1* %scevgep8 to i8*
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br label %loop.cond
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return: ; preds = %loop.cond
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store i64 %0, i64* %b, align 8
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ret void
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}
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; CHECK: test
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; CHECK: decq
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; CHECK-NOT: cmpxchgl
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; CHECK: jne
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; CHECK: ret
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