diff --git a/llvm/lib/Target/AMDGPU/AMDGPUResourceUsageAnalysis.cpp b/llvm/lib/Target/AMDGPU/AMDGPUResourceUsageAnalysis.cpp
--- a/llvm/lib/Target/AMDGPU/AMDGPUResourceUsageAnalysis.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUResourceUsageAnalysis.cpp
@@ -123,6 +123,8 @@
 AMDGPUResourceUsageAnalysis::SIFunctionResourceInfo
 AMDGPUResourceUsageAnalysis::analyzeResourceUsage(
     const MachineFunction &MF, const TargetMachine &TM) const {
+  CallGraphResourceInfo.clear();
+
   SIFunctionResourceInfo Info;
 
   const SIMachineFunctionInfo *MFI = MF.getInfo<SIMachineFunctionInfo>();