2017-05-22 04:50:16 +08:00
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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2017-05-22 04:55:53 +08:00
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; RUN: opt -newgvn %s -S | FileCheck %s
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2017-05-22 04:50:16 +08:00
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@b = external global i32, align 4
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@a = external global i32, align 4
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define void @tinkywinky() {
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2017-05-22 04:55:53 +08:00
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; CHECK-LABEL: @tinkywinky(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[L1:%.*]]
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; CHECK: l1.loopexit:
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; CHECK-NEXT: br label [[L1]]
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; CHECK: l1:
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; CHECK-NEXT: [[F_0:%.*]] = phi i32* [ @b, [[ENTRY:%.*]] ], [ @a, [[L1_LOOPEXIT:%.*]] ]
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; CHECK-NEXT: br label [[FOR_COND:%.*]]
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; CHECK: for.cond.loopexit:
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; CHECK-NEXT: store i8 undef, i8* null
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; CHECK-NEXT: br label [[FOR_COND]]
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; CHECK: for.cond:
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; CHECK-NEXT: br i1 undef, label [[FOR_END14:%.*]], label [[FOR_COND1_PREHEADER:%.*]]
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; CHECK: for.cond1.preheader:
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; CHECK-NEXT: br label [[FOR_BODY3:%.*]]
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; CHECK: for.cond1:
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; CHECK-NEXT: br label [[L2:%.*]]
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; CHECK: for.body3:
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; CHECK-NEXT: br i1 undef, label [[FOR_COND1:%.*]], label [[L1_LOOPEXIT]]
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; CHECK: l2:
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; CHECK-NEXT: [[G_4:%.*]] = phi i32* [ @b, [[FOR_END14]] ], [ @a, [[FOR_COND1]] ]
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; CHECK-NEXT: [[F_2:%.*]] = phi i32* [ [[F_0]], [[FOR_END14]] ], [ @a, [[FOR_COND1]] ]
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; CHECK-NEXT: br label [[FOR_INC:%.*]]
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; CHECK: for.inc:
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; CHECK-NEXT: br i1 false, label [[FOR_COND_LOOPEXIT:%.*]], label [[FOR_INC]]
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; CHECK: for.end14:
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; CHECK-NEXT: br label [[L2]]
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;
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2017-05-22 04:50:16 +08:00
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entry:
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br label %l1
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l1.loopexit:
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%g.223.lcssa = phi i32* [ @b, %for.body3 ]
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br label %l1
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l1:
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%g.0 = phi i32* [ undef, %entry ], [ %g.223.lcssa, %l1.loopexit ]
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%f.0 = phi i32* [ @b, %entry ], [ @a, %l1.loopexit ]
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br label %for.cond
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for.cond.loopexit:
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br label %for.cond
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for.cond:
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%g.1 = phi i32* [ %g.0, %l1 ], [ %g.4, %for.cond.loopexit ]
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%f.1 = phi i32* [ %f.0, %l1 ], [ %f.2, %for.cond.loopexit ]
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br i1 undef, label %for.end14, label %for.cond1.preheader
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for.cond1.preheader:
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br label %for.body3
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for.cond1:
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br label %l2
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for.body3:
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br i1 undef, label %for.cond1, label %l1.loopexit
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l2:
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%g.4 = phi i32* [ %g.1, %for.end14 ], [ @a, %for.cond1 ]
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%f.2 = phi i32* [ %f.1, %for.end14 ], [ @a, %for.cond1 ]
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br label %for.inc
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for.inc:
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br i1 false, label %for.cond.loopexit, label %for.inc
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for.end14:
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br label %l2
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}
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