[PATCH] D128806: [RISCV] Fix wrong position of prologue_end

[LiqinWeng via Phabricator via llvm-commits]

Miss_Grape added a comment.

In D128806#3619023 <https://reviews.llvm.org/D128806#3619023>, @luismarques wrote:

> Is removing the `if (I != MBB.end()) DL = I->getDebugLoc();` actually correct? I'm wondering why do several other targets have that if it can just be removed.

In fact, the key problem is the condition of prologue_end generation， please see DwarfDebug::beginInstuction
F23628681: image.png <https://reviews.llvm.org/F23628681>


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https://reviews.llvm.org/D128806