cefc1b0c21
This PR removes tests with `br i1 undef` under `llvm/tests/Transforms/MemCpyOpt, MergedLoadStoreMotion, NewGVN`.
55 lines
1.5 KiB
LLVM
55 lines
1.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
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; Make sure we don't end up in an infinite recursion in singleReachablePHIPath().
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; RUN: opt < %s -passes=newgvn -S | FileCheck %s
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@c = external global i64, align 8
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define void @tinkywinky(i1 %arg) {
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; CHECK-LABEL: define void @tinkywinky(i1 %arg) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br i1 %arg, label [[L2:%.*]], label [[IF_THEN:%.*]]
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; CHECK: if.then:
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; CHECK-NEXT: br label [[FOR_BODY:%.*]]
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; CHECK: ph:
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; CHECK-NEXT: br label [[FOR_BODY]]
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; CHECK: for.body:
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; CHECK-NEXT: br i1 %arg, label [[ONTRUE:%.*]], label [[ONFALSE:%.*]]
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; CHECK: onfalse:
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; CHECK-NEXT: [[PATATINO:%.*]] = load i64, ptr @c, align 4
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; CHECK-NEXT: ret void
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; CHECK: ontrue:
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; CHECK-NEXT: [[DIPSY:%.*]] = load i64, ptr @c, align 4
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; CHECK-NEXT: br label [[PH:%.*]]
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; CHECK: back:
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; CHECK-NEXT: store i8 poison, ptr null, align 1
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; CHECK-NEXT: br label [[PH]]
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; CHECK: end:
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; CHECK-NEXT: ret void
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; CHECK: l2:
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; CHECK-NEXT: br i1 false, label [[BACK:%.*]], label [[END:%.*]]
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;
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entry:
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br i1 %arg, label %l2, label %if.then
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if.then:
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br label %for.body
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ph:
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br label %for.body
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for.body:
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br i1 %arg, label %ontrue, label %onfalse
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onfalse:
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%patatino = load i64, ptr @c
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store i64 %patatino, ptr @c
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ret void
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ontrue:
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%dipsy = load i64, ptr @c
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store i64 %dipsy, ptr @c
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br label %ph
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back:
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br label %ph
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end:
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ret void
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l2:
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br i1 false, label %back, label %end
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}
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