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a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
55 lines
946 B
LLVM
55 lines
946 B
LLVM
; RUN: opt -S < %s -jump-threading | FileCheck %s
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; CHECK-LABEL: @foo
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; CHECK: bb6:
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; CHECK-NEXT: ret void
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; CHECK: bb3:
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; CHECK: br label %bb3
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define void @foo() {
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entry:
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br i1 true, label %bb6, label %bb3
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bb3:
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%x0 = phi i32 [ undef, %entry ], [ %x1, %bb5 ]
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%y = and i64 undef, 1
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%p = icmp ne i64 %y, 0
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br i1 %p, label %bb4, label %bb5
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bb4:
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br label %bb5
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bb5:
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%x1 = phi i32 [ %x0, %bb3 ], [ %x0, %bb4 ]
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%z = phi i32 [ 0, %bb3 ], [ 1, %bb4 ]
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%q = icmp eq i32 %z, 0
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br i1 %q, label %bb3, label %bb6
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bb6:
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ret void
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}
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; CHECK-LABEL: @bar
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; Just check that we don't crash on this test.
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define void @bar(i1 %p) {
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entry:
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br i1 false, label %bb2, label %exit
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bb2:
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%x0 = phi i32 [ undef, %entry ], [ %x1, %bb5 ]
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br i1 %p, label %bb3, label %bb4
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bb3:
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br label %bb5
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bb4:
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br label %bb5
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bb5:
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%x1 = phi i32 [ %x0, %bb3 ], [ 0, %bb4 ]
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switch i32 %x1, label %exit [
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i32 10, label %bb2
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]
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exit:
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ret void
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}
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