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https://github.com/c64scene-ar/llvm-6502.git
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70 lines
1.4 KiB
LLVM
70 lines
1.4 KiB
LLVM
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; RUN: opt -regions -analyze < %s | FileCheck %s
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; RUN: opt -regions -stats < %s |& FileCheck -check-prefix=STAT %s
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; RUN: opt -regions -print-region-style=bb -analyze < %s |& FileCheck -check-prefix=BBIT %s
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; RUN: opt -regions -print-region-style=rn -analyze < %s |& FileCheck -check-prefix=RNIT %s
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define void @a_linear_impl_fig_1() nounwind {
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0:
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br i1 1, label %"1", label %"15"
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1:
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switch i32 0, label %"2" [ i32 0, label %"3"
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i32 1, label %"7"]
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2:
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br label %"4"
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3:
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br label %"5"
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4:
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br label %"6"
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5:
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br label %"6"
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6:
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br label %"7"
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7:
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br label %"15"
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15:
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br label %"8"
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8:
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br label %"16"
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16:
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br label %"9"
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9:
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br i1 1, label %"10", label %"11"
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11:
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br i1 1, label %"13", label %"12"
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13:
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br label %"14"
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12:
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br label %"14"
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14:
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br label %"8"
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10:
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br label %"17"
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17:
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br label %"18"
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18:
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ret void
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}
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; CHECK-NOT: =>
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; CHECK: [0] 0 => <Function Return>
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; CHECK-NEXT: [1] 0 => 15
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; CHECK-NEXT: [2] 1 => 7
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; CHECK-NEXT: [1] 8 => 10
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; CHECK-NEXT: [2] 11 => 14
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; STAT: 5 region - The # of regions
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; STAT: 1 region - The # of simple regions
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; BBIT: 0, 1, 2, 4, 6, 7, 15, 8, 16, 9, 10, 17, 18, 11, 13, 14, 12, 3, 5,
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; BBIT: 0, 1, 2, 4, 6, 7, 3, 5,
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; BBIT: 1, 2, 4, 6, 3, 5,
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; BBIT: 8, 16, 9, 11, 13, 14, 12,
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; BBIT: 11, 13, 12,
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; RNIT: 0 => 15, 15, 8 => 10, 10, 17, 18,
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; RNIT: 0, 1 => 7, 7,
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; RNIT: 1, 2, 4, 6, 3, 5,
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; RNIT: 8, 16, 9, 11 => 14, 14,
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; RNIT: 11, 13, 12,
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