[Backport] Simple check to ignore Inline asm fwait insertion

Signed-off-by: liyunfei <liyunfei33@huawei.com>

0025-Backport-Simple-check-to-ignore-Inline-asm-fwait-insertion.patch

@@ -0,0 +1,30 @@
+From cf9d549f2c40d548587f8d2d3cda0d32f13c9256 Mon Sep 17 00:00:00 2001
+From: Temperatureblock <102174059+Temperature-block@users.noreply.github.com>
+Date: Mon, 12 Aug 2024 20:06:58 +0530
+Subject: [PATCH] Simple check to ignore Inline asm fwait insertion (#101686)
+
+Just a simple check to ignore Inline asm fwait insertion
+
+Fixes #101613
+---
+ llvm/lib/Target/X86/X86InstrInfo.cpp | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/llvm/lib/Target/X86/X86InstrInfo.cpp b/llvm/lib/Target/X86/X86InstrInfo.cpp
+index 10a0ccdcb023..e615fa09608c 100644
+--- a/llvm/lib/Target/X86/X86InstrInfo.cpp
++++ b/llvm/lib/Target/X86/X86InstrInfo.cpp
+@@ -2947,6 +2947,11 @@ static bool isX87Reg(unsigned Reg) {
+ 
+ /// check if the instruction is X87 instruction
+ bool X86::isX87Instruction(MachineInstr &MI) {
++  // Call and inlineasm defs X87 register, so we special case it here because
++  // otherwise calls are incorrectly flagged as x87 instructions
++  // as a result.
++  if (MI.isInlineAsm())
++    return false;
+   for (const MachineOperand &MO : MI.operands()) {
+     if (!MO.isReg())
+       continue;
+-- 
+Gitee

llvm.spec

@@ -46,7 +46,7 @@
 
 Name:		%{pkg_name}
 Version:	%{maj_ver}.%{min_ver}.%{patch_ver}
-Release:	20
+Release:	21
 Summary:	The Low Level Virtual Machine
 
 License:	NCSA
@@ -81,6 +81,7 @@ Patch21:	0021-Add-BiSheng-Autotuner-support-for-LLVM-compiler.patch
 Patch22:	0022-Prevent-environment-variables-from-exceeding-NAME_MA.patch
 Patch23:	0023-AArch64-Support-HiSilicon-s-HIP09-Processor.patch
 Patch24:	0024-Backport-LoongArch-fix-and-add-some-new-support.patch
+Patch25:    0025-Backport-Simple-check-to-ignore-Inline-asm-fwait-insertion.patch
 
 BuildRequires:	binutils-devel
 BuildRequires:	cmake
@@ -374,6 +375,9 @@ LD_LIBRARY_PATH=%{buildroot}/%{install_libdir} %{__ninja} check-all -C %{__cmake
 %{install_includedir}/llvm-gmock
 
 %changelog
+* Mon Nov 18 2024 liyunfei <liyunfei33@huawei.net> - 17.0.6-21
+- [Backport] Simple check to ignore Inline asm fwait insertion
+
 * Wed Nov 06 2024 Funda Wang <fundawang@yeah.net> - 17.0.6-20
 - adopt to new cmake macro