vendor/llvm-project/llvmorg-19-init-18630-gf2ccf80136a0

1 files changed, 6 insertions, 9 deletions

diff --git a/llvm/lib/CodeGen/MachineFrameInfo.cpp b/llvm/lib/CodeGen/MachineFrameInfo.cpp
index 280d3a6a41ed..853de4c88cae 100644
--- a/llvm/lib/CodeGen/MachineFrameInfo.cpp
+++ b/llvm/lib/CodeGen/MachineFrameInfo.cpp
@@ -184,7 +184,8 @@ uint64_t MachineFrameInfo::estimateStackSize(const MachineFunction &MF) const {
   return alignTo(Offset, StackAlign);
 }
 
-void MachineFrameInfo::computeMaxCallFrameSize(const MachineFunction &MF) {
+void MachineFrameInfo::computeMaxCallFrameSize(
+    MachineFunction &MF, std::vector<MachineBasicBlock::iterator> *FrameSDOps) {
   const TargetInstrInfo &TII = *MF.getSubtarget().getInstrInfo();
   unsigned FrameSetupOpcode = TII.getCallFrameSetupOpcode();
   unsigned FrameDestroyOpcode = TII.getCallFrameDestroyOpcode();
@@ -192,18 +193,14 @@ void MachineFrameInfo::computeMaxCallFrameSize(const MachineFunction &MF) {
          "Can only compute MaxCallFrameSize if Setup/Destroy opcode are known");
 
   MaxCallFrameSize = 0;
-  for (const MachineBasicBlock &MBB : MF) {
-    for (const MachineInstr &MI : MBB) {
+  for (MachineBasicBlock &MBB : MF) {
+    for (MachineInstr &MI : MBB) {
       unsigned Opcode = MI.getOpcode();
       if (Opcode == FrameSetupOpcode || Opcode == FrameDestroyOpcode) {
         unsigned Size = TII.getFrameSize(MI);
         MaxCallFrameSize = std::max(MaxCallFrameSize, Size);
-        AdjustsStack = true;
-      } else if (MI.isInlineAsm()) {
-        // Some inline asm's need a stack frame, as indicated by operand 1.
-        unsigned ExtraInfo = MI.getOperand(InlineAsm::MIOp_ExtraInfo).getImm();
-        if (ExtraInfo & InlineAsm::Extra_IsAlignStack)
-          AdjustsStack = true;
+        if (FrameSDOps != nullptr)
+          FrameSDOps->push_back(&MI);
       }
     }
   }