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15a286b665
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18388 91177308-0d34-0410-b5e6-96231b3b80d8
32 lines
874 B
LLVM
32 lines
874 B
LLVM
; This testcase is due to tail-duplication not wanting to copy the return
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; instruction into the terminating blocks because there was other code
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; optimized out of the function after the taildup happened.
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; XFAIL: *
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; RUN: llvm-as < %s | opt -tailcallelim | llvm-dis | not grep call
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int %t4(int %a) {
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entry:
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%tmp.1 = and int %a, 1
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%tmp.2 = cast int %tmp.1 to bool
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br bool %tmp.2, label %then.0, label %else.0
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then.0:
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%tmp.5 = add int %a, -1
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%tmp.3 = call int %t4( int %tmp.5 )
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br label %return
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else.0:
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%tmp.7 = setne int %a, 0
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br bool %tmp.7, label %then.1, label %return
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then.1:
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%tmp.11 = add int %a, -2
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%tmp.9 = call int %t4( int %tmp.11 )
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br label %return
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return:
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%result.0 = phi int [ 0, %else.0 ], [ %tmp.3, %then.0 ], [ %tmp.9, %then.1 ]
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ret int %result.0
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}
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