AMDGPU: Fix groupstaticsize for large LDS

The size can exceed s_movk_i32's limit, and we don't
want to use it this early since it inhibits optimizations.

This should probably be merged to the release branch.

llvm-svn: 276438

1 files changed, 3 insertions, 3 deletions

diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
index 5033374a731..55f1cab3329 100644
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -1433,9 +1433,9 @@ MachineBasicBlock *SITargetLowering::EmitInstrWithCustomInserter(
     MachineFunction *MF = BB->getParent();
     SIMachineFunctionInfo *MFI = MF->getInfo<SIMachineFunctionInfo>();
     DebugLoc DL = MI.getDebugLoc();
-    BuildMI(*BB, MI, DL, TII->get(AMDGPU::S_MOVK_I32))
-        .addOperand(MI.getOperand(0))
-        .addImm(MFI->LDSSize);
+    BuildMI(*BB, MI, DL, TII->get(AMDGPU::S_MOV_B32))
+      .addOperand(MI.getOperand(0))
+      .addImm(MFI->LDSSize);
     MI.eraseFromParent();
     return BB;
   }