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a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
33 lines
821 B
LLVM
33 lines
821 B
LLVM
; RUN: opt -S -jump-threading < %s | FileCheck %s
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; CHECK-LABEL: @f(
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; CHECK-LABEL: entry
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; CHECK-NEXT: ret void
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;
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; JumpThreading must detect the next two blocks are unreachable from entry
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; and leave them alone. A subsequent pass will remove them from @f.
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;
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; CHECK: for.cond1:
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; CHECK-NEXT: phi
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; CHECK-NEXT: icmp
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; CHECK-NEXT: br i1 %cmp, label %for.body, label %for.cond1
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; CHECK: for.body:
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; CHECK-NEXT: add
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; CHECK-NEXT: icmp
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; CHECK-NEXT: br i1 %a, label %for.cond1, label %for.cond1
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define void @f() {
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entry:
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ret void
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for.cond1:
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%i.025 = phi i32 [ %inc, %for.body ], [ %inc, %for.body ], [ 1, %for.cond1 ]
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%cmp = icmp slt i32 %i.025, 2
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br i1 %cmp, label %for.body, label %for.cond1
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for.body:
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%inc = add nsw i32 %i.025, 0
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%a = icmp ugt i32 %inc, 2
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br i1 %a, label %for.cond1, label %for.cond1
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}
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