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a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
47 lines
1.0 KiB
LLVM
47 lines
1.0 KiB
LLVM
; Do not promote null value because it may be unsafe to do so.
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; RUN: opt < %s -licm -S | not grep promoted
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define i32 @f(i32 %foo, i32 %bar, i32 %com) {
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entry:
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%tmp2 = icmp eq i32 %foo, 0 ; <i1> [#uses=1]
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br i1 %tmp2, label %cond_next, label %cond_true
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cond_true: ; preds = %entry
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br label %return
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cond_next: ; preds = %entry
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br label %bb
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bb: ; preds = %bb15, %cond_next
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switch i32 %bar, label %bb15 [
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i32 1, label %bb6
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]
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bb6: ; preds = %bb
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%tmp8 = icmp eq i32 %com, 0 ; <i1> [#uses=1]
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br i1 %tmp8, label %cond_next14, label %cond_true11
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cond_true11: ; preds = %bb6
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br label %return
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cond_next14: ; preds = %bb6
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store i8 0, i8* null
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br label %bb15
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bb15: ; preds = %cond_next14, %bb
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br label %bb
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return: ; preds = %cond_true11, %cond_true
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%storemerge = phi i32 [ 0, %cond_true ], [ undef, %cond_true11 ] ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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define i32 @kdMain() {
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entry:
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%tmp1 = call i32 @f( i32 0, i32 1, i32 1 ) ; <i32> [#uses=0]
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call void @exit( i32 0 )
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unreachable
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}
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declare void @exit(i32)
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