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Imported Upstream version 6.0.0.172
Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd
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107
external/llvm/test/Transforms/InstCombine/vec_phi_extract.ll
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107
external/llvm/test/Transforms/InstCombine/vec_phi_extract.ll
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@ -0,0 +1,107 @@
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; RUN: opt < %s -instcombine -S | FileCheck %s
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define void @f(i64 %val, i32 %limit, i32 *%ptr) {
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; CHECK-LABEL: @f
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; CHECK: %0 = trunc i64 %val to i32
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; CHECK: %1 = phi i32 [ %0, %entry ], [ {{.*}}, %loop ]
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entry:
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%tempvector = insertelement <16 x i64> undef, i64 %val, i32 0
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%vector = shufflevector <16 x i64> %tempvector, <16 x i64> undef, <16 x i32> zeroinitializer
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%0 = add <16 x i64> %vector, <i64 0, i64 1, i64 2, i64 3, i64 4, i64 5, i64 6, i64 7, i64 8, i64 9, i64 10, i64 11, i64 12, i64 13, i64 14, i64 15>
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%1 = trunc <16 x i64> %0 to <16 x i32>
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br label %loop
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loop:
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%2 = phi <16 x i32> [ %1, %entry ], [ %inc, %loop ]
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%elt = extractelement <16 x i32> %2, i32 0
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%end = icmp ult i32 %elt, %limit
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%3 = add i32 10, %elt
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%4 = sext i32 %elt to i64
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%5 = getelementptr i32, i32* %ptr, i64 %4
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store i32 %3, i32* %5
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%inc = add <16 x i32> %2, <i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16>
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br i1 %end, label %loop, label %ret
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ret:
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ret void
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}
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define void @copy(i64 %val, i32 %limit, i32 *%ptr) {
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; CHECK-LABEL: @copy
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; CHECK: %0 = trunc i64 %val to i32
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; CHECK: %1 = phi i32 [ %0, %entry ], [ {{.*}}, %loop ]
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entry:
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%tempvector = insertelement <16 x i64> undef, i64 %val, i32 0
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%vector = shufflevector <16 x i64> %tempvector, <16 x i64> undef, <16 x i32> zeroinitializer
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%0 = add <16 x i64> %vector, <i64 0, i64 1, i64 2, i64 3, i64 4, i64 5, i64 6, i64 7, i64 8, i64 9, i64 10, i64 11, i64 12, i64 13, i64 14, i64 15>
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%1 = trunc <16 x i64> %0 to <16 x i32>
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br label %loop
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loop:
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%2 = phi <16 x i32> [ %1, %entry ], [ %inc, %loop ]
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%elt = extractelement <16 x i32> %2, i32 0
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%eltcopy = extractelement <16 x i32> %2, i32 0
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%end = icmp ult i32 %elt, %limit
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%3 = add i32 10, %eltcopy
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%4 = sext i32 %elt to i64
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%5 = getelementptr i32, i32* %ptr, i64 %4
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store i32 %3, i32* %5
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%inc = add <16 x i32> %2, <i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16>
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br i1 %end, label %loop, label %ret
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ret:
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ret void
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}
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define void @nocopy(i64 %val, i32 %limit, i32 *%ptr) {
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; CHECK-LABEL: @nocopy
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; CHECK-NOT: phi i32
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; CHECK: phi <16 x i32> [ %3, %entry ], [ %inc, %loop ]
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entry:
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%tempvector = insertelement <16 x i64> undef, i64 %val, i32 0
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%vector = shufflevector <16 x i64> %tempvector, <16 x i64> undef, <16 x i32> zeroinitializer
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%0 = add <16 x i64> %vector, <i64 0, i64 1, i64 2, i64 3, i64 4, i64 5, i64 6, i64 7, i64 8, i64 9, i64 10, i64 11, i64 12, i64 13, i64 14, i64 15>
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%1 = trunc <16 x i64> %0 to <16 x i32>
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br label %loop
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loop:
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%2 = phi <16 x i32> [ %1, %entry ], [ %inc, %loop ]
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%elt = extractelement <16 x i32> %2, i32 0
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%eltcopy = extractelement <16 x i32> %2, i32 1
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%end = icmp ult i32 %elt, %limit
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%3 = add i32 10, %eltcopy
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%4 = sext i32 %elt to i64
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%5 = getelementptr i32, i32* %ptr, i64 %4
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store i32 %3, i32* %5
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%inc = add <16 x i32> %2, <i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16>
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br i1 %end, label %loop, label %ret
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ret:
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ret void
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}
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define i1 @g(<3 x i32> %input_2) {
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; CHECK-LABEL: @g
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; CHECK: extractelement <3 x i32> %input_2, i32 0
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entry:
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br label %for.cond
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for.cond:
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%input_2.addr.0 = phi <3 x i32> [ %input_2, %entry ], [ %div45, %for.body ]
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%input_1.addr.1 = phi <3 x i32> [ undef, %entry ], [ %dec43, %for.body ]
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br i1 undef, label %for.end, label %for.body
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; CHECK-NOT: extractelement <3 x i32> %{{.*}}, i32 0
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for.body:
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%dec43 = add <3 x i32> %input_1.addr.1, <i32 -1, i32 -1, i32 -1>
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%sub44 = sub <3 x i32> <i32 -1, i32 -1, i32 -1>, %dec43
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%div45 = sdiv <3 x i32> %input_2.addr.0, %sub44
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br label %for.cond
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for.end:
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%0 = extractelement <3 x i32> %input_2.addr.0, i32 0
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%.89 = select i1 false, i32 0, i32 %0
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%tobool313 = icmp eq i32 %.89, 0
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ret i1 %tobool313
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}
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