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79c740ff47
as if they were multiple uses of the same instruction. This interacts well with the existing loadpre that j-t does to open up many new jump threads earlier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73768 91177308-0d34-0410-b5e6-96231b3b80d8
31 lines
445 B
LLVM
31 lines
445 B
LLVM
; RUN: llvm-as < %s | opt -jump-threading -die | llvm-dis | grep icmp | count 1
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declare void @f1()
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declare void @f2()
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declare void @f3()
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define i32 @test(i32 %A) {
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%tmp455 = icmp eq i32 %A, 42
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br i1 %tmp455, label %BB1, label %BB2
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BB2:
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call void @f1()
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br label %BB1
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BB1:
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%tmp459 = icmp eq i32 %A, 42
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br i1 %tmp459, label %BB3, label %BB4
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BB3:
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call void @f2()
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ret i32 3
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BB4:
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call void @f3()
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ret i32 4
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}
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