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- ; REQUIRES: asserts
- ; RUN: opt -regions -analyze < %s | FileCheck %s
- ; RUN: opt -regions -stats < %s 2>&1 | FileCheck -check-prefix=STAT %s
- ; RUN: opt -regions -print-region-style=bb -analyze < %s 2>&1 | FileCheck -check-prefix=BBIT %s
- ; RUN: opt -regions -print-region-style=rn -analyze < %s 2>&1 | FileCheck -check-prefix=RNIT %s
- define void @a_linear_impl_fig_1() nounwind {
- 0:
- br label %"1"
- 1:
- br label %"2"
- 2:
- br label %"3"
- 3:
- br i1 1, label %"13", label %"4"
- 4:
- br i1 1, label %"5", label %"1"
- 5:
- br i1 1, label %"8", label %"6"
- 6:
- br i1 1, label %"7", label %"4"
- 7:
- ret void
- 8:
- br i1 1, label %"9", label %"1"
- 9:
- br label %"10"
- 10:
- br i1 1, label %"12", label %"11"
- 11:
- br i1 1, label %"9", label %"8"
- 13:
- br i1 1, label %"2", label %"1"
- 12:
- switch i32 0, label %"1" [ i32 0, label %"9"
- i32 1, label %"8"]
- }
- ; CHECK-NOT: =>
- ; CHECK: [0] 0 => <Function Return>
- ; CHECK-NEXT: [1] 1 => 7
- ; CHECK-NEXT: [2] 1 => 4
- ; CHECK-NEXT: [2] 8 => 1
- ; STAT: 4 region - The # of regions
- ; STAT: 1 region - The # of simple regions
- ; BBIT: 0, 1, 2, 3, 13, 4, 5, 8, 9, 10, 12, 11, 6, 7,
- ; BBIT: 1, 2, 3, 13, 4, 5, 8, 9, 10, 12, 11, 6,
- ; BBIT: 1, 2, 3, 13,
- ; BBIT: 8, 9, 10, 12, 11,
- ; RNIT: 0, 1 => 7, 7,
- ; RNIT: 1 => 4, 4, 5, 8 => 1, 6,
- ; RNIT: 1, 2, 3, 13,
- ; RNIT: 8, 9, 10, 12, 11,
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