From 1812319292e0041e7e32ad7b61d7252a450b95c2 Mon Sep 17 00:00:00 2001 From: Hongtao Yu Date: Mon, 19 Apr 2021 08:51:57 -0700 Subject: [CSSPGO] Flip SkipPseudoOp to true for MIR APIs. Flipping the default value of SkipPseudoOp to true for those MIR APIs to favor maximum performance. Note that certain spots like branch folding and MIR if-conversion is are disabled for better counts quality. For these two optimizations, this is a no-diff change. The counts quality with SPEC2017 before/after this change is unchanged. Reviewed By: wmi Differential Revision: https://reviews.llvm.org/D100332 --- llvm/lib/CodeGen/MachineBasicBlock.cpp | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'llvm/lib/CodeGen/MachineBasicBlock.cpp') diff --git a/llvm/lib/CodeGen/MachineBasicBlock.cpp b/llvm/lib/CodeGen/MachineBasicBlock.cpp index f31eae9..cf22230 100644 --- a/llvm/lib/CodeGen/MachineBasicBlock.cpp +++ b/llvm/lib/CodeGen/MachineBasicBlock.cpp @@ -221,11 +221,13 @@ MachineBasicBlock::SkipPHIsAndLabels(MachineBasicBlock::iterator I) { } MachineBasicBlock::iterator -MachineBasicBlock::SkipPHIsLabelsAndDebug(MachineBasicBlock::iterator I) { +MachineBasicBlock::SkipPHIsLabelsAndDebug(MachineBasicBlock::iterator I, + bool SkipPseudoOp) { const TargetInstrInfo *TII = getParent()->getSubtarget().getInstrInfo(); iterator E = end(); while (I != E && (I->isPHI() || I->isPosition() || I->isDebugInstr() || + (SkipPseudoOp && I->isPseudoProbe()) || TII->isBasicBlockPrologue(*I))) ++I; // FIXME: This needs to change if we wish to bundle labels / dbg_values -- cgit v1.1