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-rw-r--r--llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp9
1 files changed, 4 insertions, 5 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp b/llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp
index b83cc7f2528..f2d903c8e7b 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp
@@ -1261,17 +1261,16 @@ void AMDGPUAsmPrinter::getAmdKernelCode(amd_kernel_code_t &Out,
if (STM.isXNACKEnabled())
Out.code_properties |= AMD_CODE_PROPERTY_IS_XNACK_SUPPORTED;
- unsigned MaxKernArgAlign;
+ Align MaxKernArgAlign;
Out.kernarg_segment_byte_size = STM.getKernArgSegmentSize(F, MaxKernArgAlign);
Out.wavefront_sgpr_count = CurrentProgramInfo.NumSGPR;
Out.workitem_vgpr_count = CurrentProgramInfo.NumVGPR;
Out.workitem_private_segment_byte_size = CurrentProgramInfo.ScratchSize;
Out.workgroup_group_segment_byte_size = CurrentProgramInfo.LDSSize;
- // These alignment values are specified in powers of two, so alignment =
- // 2^n. The minimum alignment is 2^4 = 16.
- Out.kernarg_segment_alignment = std::max<size_t>(4,
- countTrailingZeros(MaxKernArgAlign));
+ // kernarg_segment_alignment is specified as log of the alignment.
+ // The minimum alignment is 16.
+ Out.kernarg_segment_alignment = Log2(std::max(Align(16), MaxKernArgAlign));
}
bool AMDGPUAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
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