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29 lines
778 B
LLVM
29 lines
778 B
LLVM
; RUN: llvm-as -f %s -o - | llc
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;;
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;; Test the sequence:
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;; cast -> setle 0, %cast -> br %cond
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;; This sequence should cause the cast value to be forwarded twice,
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;; i.e., cast is forwarded to the setle and teh setle is forwarded
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;; to the branch.
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;; register argument of the "branch-on-register" instruction, i.e.,
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;;
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;; This produces the bogus output instruction:
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;; brlez <NULL VALUE>, .L_SumArray_bb3.
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;; This came from %bb1 of sumarrray.ll generated from sumarray.c.
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int %SumArray(int %Num) {
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%Num = alloca int
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br label %Top
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Top:
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store int %Num, int * %Num
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%reg108 = load int * %Num
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%cast1006 = cast int %reg108 to uint
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%cond1001 = setle uint %cast1006, 0
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br bool %cond1001, label %bb6, label %Top
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bb6:
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ret int 42
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}
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