31 lines
1.1 KiB
Diff
31 lines
1.1 KiB
Diff
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From cf9d549f2c40d548587f8d2d3cda0d32f13c9256 Mon Sep 17 00:00:00 2001
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From: Temperatureblock <102174059+Temperature-block@users.noreply.github.com>
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Date: Mon, 12 Aug 2024 20:06:58 +0530
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Subject: [PATCH] Simple check to ignore Inline asm fwait insertion (#101686)
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Just a simple check to ignore Inline asm fwait insertion
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Fixes #101613
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---
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llvm/lib/Target/X86/X86InstrInfo.cpp | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/llvm/lib/Target/X86/X86InstrInfo.cpp b/llvm/lib/Target/X86/X86InstrInfo.cpp
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index 10a0ccdcb023..e615fa09608c 100644
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--- a/llvm/lib/Target/X86/X86InstrInfo.cpp
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+++ b/llvm/lib/Target/X86/X86InstrInfo.cpp
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@@ -2947,6 +2947,11 @@ static bool isX87Reg(unsigned Reg) {
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/// check if the instruction is X87 instruction
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bool X86::isX87Instruction(MachineInstr &MI) {
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+ // Call and inlineasm defs X87 register, so we special case it here because
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+ // otherwise calls are incorrectly flagged as x87 instructions
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+ // as a result.
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+ if (MI.isInlineAsm())
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+ return false;
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for (const MachineOperand &MO : MI.operands()) {
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if (!MO.isReg())
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continue;
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--
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Gitee
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