diff --git a/L/LLVM/LLVM_full@12.0.1/bundled/patches/0300-D109203-stackprobe-x86.patch b/L/LLVM/LLVM_full@12.0.1/bundled/patches/0300-D109203-stackprobe-x86.patch
new file mode 100644
index 00000000000..6eddcc7e054
--- /dev/null
+++ b/L/LLVM/LLVM_full@12.0.1/bundled/patches/0300-D109203-stackprobe-x86.patch
@@ -0,0 +1,135 @@
+diff --git a/llvm/lib/Target/X86/X86FrameLowering.cpp b/llvm/lib/Target/X86/X86FrameLowering.cpp
+--- a/llvm/lib/Target/X86/X86FrameLowering.cpp
++++ b/llvm/lib/Target/X86/X86FrameLowering.cpp
+@@ -652,7 +652,9 @@
+   MF.insert(MBBIter, testMBB);
+   MF.insert(MBBIter, tailMBB);
+ 
+-  Register FinalStackProbed = Uses64BitFramePtr ? X86::R11 : X86::R11D;
++  Register FinalStackProbed = Uses64BitFramePtr ? X86::R11
++                              : Is64Bit         ? X86::R11D
++                                                : X86::EAX;
+   BuildMI(MBB, MBBI, DL, TII.get(TargetOpcode::COPY), FinalStackProbed)
+       .addReg(StackPtr)
+       .setMIFlag(MachineInstr::FrameSetup);
+@@ -1073,7 +1075,9 @@
+       MF.insert(MBBIter, bodyMBB);
+       MF.insert(MBBIter, footMBB);
+       const unsigned MovMIOpc = Is64Bit ? X86::MOV64mi32 : X86::MOV32mi;
+-      Register FinalStackProbed = Uses64BitFramePtr ? X86::R11 : X86::R11D;
++      Register FinalStackProbed = Uses64BitFramePtr ? X86::R11
++                                  : Is64Bit         ? X86::R11D
++                                                    : X86::EAX;
+ 
+       // Setup entry block
+       {
+diff --git a/llvm/test/CodeGen/X86/stack-clash-large.ll b/llvm/test/CodeGen/X86/stack-clash-large.ll
+--- a/llvm/test/CodeGen/X86/stack-clash-large.ll
++++ b/llvm/test/CodeGen/X86/stack-clash-large.ll
+@@ -1,5 +1,6 @@
+-; RUN: llc -mtriple=x86_64-linux-android < %s | FileCheck -check-prefix=CHECK-X86-64 %s 
+-; RUN: llc -mtriple=i686-linux-android < %s | FileCheck -check-prefix=CHECK-X86-32 %s 
++; RUN: llc -mtriple=x86_64-linux-android < %s | FileCheck -check-prefix=CHECK-X64 %s 
++; RUN: llc -mtriple=i686-linux-android < %s | FileCheck -check-prefix=CHECK-X86 %s 
++; RUN: llc -mtriple=x86_64-linux-gnux32 < %s | FileCheck -check-prefix=CHECK-X32 %s 
+ 
+ define i32 @foo() local_unnamed_addr #0 {
+ 
+@@ -14,40 +15,60 @@
+ 
+ attributes #0 =  {"probe-stack"="inline-asm"}
+ 
+-; CHECK-X86-64-LABEL: foo:
+-; CHECK-X86-64:        # %bb.0:
+-; CHECK-X86-64-NEXT:	movq	%rsp, %r11
+-; CHECK-X86-64-NEXT:	subq	$69632, %r11 # imm = 0x11000
+-; CHECK-X86-64-NEXT:   .LBB0_1:
+-; CHECK-X86-64-NEXT:	subq	$4096, %rsp # imm = 0x1000
+-; CHECK-X86-64-NEXT:	movq	$0, (%rsp)
+-; CHECK-X86-64-NEXT:	cmpq	%r11, %rsp
+-; CHECK-X86-64-NEXT:	jne	.LBB0_1
+-; CHECK-X86-64-NEXT:# %bb.2:
+-; CHECK-X86-64-NEXT:	subq    $2248, %rsp
+-; CHECK-X86-64-NEXT:	.cfi_def_cfa_offset 71888
+-; CHECK-X86-64-NEXT:	movl	$1, 264(%rsp)
+-; CHECK-X86-64-NEXT:	movl	$1, 28664(%rsp)
+-; CHECK-X86-64-NEXT:	movl	-128(%rsp), %eax
+-; CHECK-X86-64-NEXT:	addq	$71880, %rsp # imm = 0x118C8
+-; CHECK-X86-64-NEXT:	.cfi_def_cfa_offset 8
+-; CHECK-X86-64-NEXT:	retq
++; CHECK-X64-LABEL: foo:
++; CHECK-X64:        # %bb.0:
++; CHECK-X64-NEXT:	movq	%rsp, %r11
++; CHECK-X64-NEXT:	subq	$69632, %r11 # imm = 0x11000
++; CHECK-X64-NEXT:   .LBB0_1:
++; CHECK-X64-NEXT:	subq	$4096, %rsp # imm = 0x1000
++; CHECK-X64-NEXT:	movq	$0, (%rsp)
++; CHECK-X64-NEXT:	cmpq	%r11, %rsp
++; CHECK-X64-NEXT:	jne	.LBB0_1
++; CHECK-X64-NEXT:# %bb.2:
++; CHECK-X64-NEXT:	subq    $2248, %rsp
++; CHECK-X64-NEXT:	.cfi_def_cfa_offset 71888
++; CHECK-X64-NEXT:	movl	$1, 264(%rsp)
++; CHECK-X64-NEXT:	movl	$1, 28664(%rsp)
++; CHECK-X64-NEXT:	movl	-128(%rsp), %eax
++; CHECK-X64-NEXT:	addq	$71880, %rsp # imm = 0x118C8
++; CHECK-X64-NEXT:	.cfi_def_cfa_offset 8
++; CHECK-X64-NEXT:	retq
++
++; CHECK-X86-LABEL: foo:
++; CHECK-X86:      # %bb.0:
++; CHECK-X86-NEXT:    movl    %esp, %eax
++; CHECK-X86-NEXT:    subl    $69632, %eax # imm = 0x11000
++; CHECK-X86-NEXT:    .LBB0_1: # =>This Inner Loop Header: Depth=1
++; CHECK-X86-NEXT:    subl    $4096, %esp # imm = 0x1000
++; CHECK-X86-NEXT:    movl    $0, (%esp)
++; CHECK-X86-NEXT:    cmpl    %eax, %esp
++; CHECK-X86-NEXT:    jne  .LBB0_1
++; CHECK-X86-NEXT:# %bb.2:
++; CHECK-X86-NEXT:    subl    $2380, %esp
++; CHECK-X86-NEXT:    .cfi_def_cfa_offset 72016
++; CHECK-X86-NEXT:    movl    $1, 392(%esp)
++; CHECK-X86-NEXT:    movl    $1, 28792(%esp)
++; CHECK-X86-NEXT:    movl    (%esp), %eax
++; CHECK-X86-NEXT:    addl    $72012, %esp # imm = 0x1194C
++; CHECK-X86-NEXT:    .cfi_def_cfa_offset 4
++; CHECK-X86-NEXT:    retl
++
++; CHECK-X32-LABEL: foo:
++; CHECK-X32:      # %bb.0:
++; CHECK-X32-NEXT:    movl    %esp, %r11d
++; CHECK-X32-NEXT:    subl    $69632, %r11d # imm = 0x11000
++; CHECK-X32-NEXT:    .LBB0_1: # =>This Inner Loop Header: Depth=1
++; CHECK-X32-NEXT:    subl    $4096, %esp # imm = 0x1000
++; CHECK-X32-NEXT:    movq    $0, (%esp)
++; CHECK-X32-NEXT:    cmpl    %r11d, %esp
++; CHECK-X32-NEXT:    jne  .LBB0_1
++; CHECK-X32-NEXT:# %bb.2:
++; CHECK-X32-NEXT:    subl    $2248, %esp
++; CHECK-X32-NEXT:    .cfi_def_cfa_offset 71888
++; CHECK-X32-NEXT:    movl    $1, 264(%esp)
++; CHECK-X32-NEXT:    movl    $1, 28664(%esp)
++; CHECK-X32-NEXT:    movl    -128(%esp), %eax
++; CHECK-X32-NEXT:    addl    $71880, %esp # imm = 0x118C8
++; CHECK-X32-NEXT:    .cfi_def_cfa_offset 8
++; CHECK-X32-NEXT:    retq
+ 
+-; CHECK-X86-32-LABEL: foo:
+-; CHECK-X86-32:      # %bb.0:
+-; CHECK-X86-32-NEXT:    movl    %esp, %r11d
+-; CHECK-X86-32-NEXT:    subl    $69632, %r11d # imm = 0x11000
+-; CHECK-X86-32-NEXT:    .LBB0_1: # =>This Inner Loop Header: Depth=1
+-; CHECK-X86-32-NEXT:    subl    $4096, %esp # imm = 0x1000
+-; CHECK-X86-32-NEXT:    movl    $0, (%esp)
+-; CHECK-X86-32-NEXT:    cmpl    %r11d, %esp
+-; CHECK-X86-32-NEXT:    jne  .LBB0_1
+-; CHECK-X86-32-NEXT:# %bb.2:
+-; CHECK-X86-32-NEXT:    subl    $2380, %esp
+-; CHECK-X86-32-NEXT:    .cfi_def_cfa_offset 72016
+-; CHECK-X86-32-NEXT:    movl    $1, 392(%esp)
+-; CHECK-X86-32-NEXT:    movl    $1, 28792(%esp)
+-; CHECK-X86-32-NEXT:    movl    (%esp), %eax
+-; CHECK-X86-32-NEXT:    addl    $72012, %esp # imm = 0x1194C
+-; CHECK-X86-32-NEXT:    .cfi_def_cfa_offset 4
+-; CHECK-X86-32-NEXT:    retl
+