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D64273.diff
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Wed, Nov 13, 8:32 PM

D64273.diff

Index: llvm/trunk/test/CodeGen/AMDGPU/si-lower-sgpr-spills.mir
===================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/si-lower-sgpr-spills.mir
+++ llvm/trunk/test/CodeGen/AMDGPU/si-lower-sgpr-spills.mir
@@ -0,0 +1,20 @@
+# RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs -run-pass=si-lower-sgpr-spills -o - %s | FileCheck %s
+
+# CHECK-LABEL: name: empty_entry_block
+# CHECK: V_WRITELANE
+# CHECK-NEXT: V_WRITELANE
+# CHECK-NEXT: V_WRITELANE
+# CHECK-NEXT: V_WRITELANE
+# CHECK: V_READLANE
+# CHECK-NEXT: V_READLANE
+# CHECK-NEXT: V_READLANE
+# CHECK-NEXT: V_READLANE
+---
+name: empty_entry_block
+body: |
+ bb.0:
+
+ bb.1:
+ renamable $sgpr36_sgpr37 = S_XOR_B64 renamable $vcc, -1, implicit-def dead $scc
+ $sgpr34_sgpr35 = S_AND_SAVEEXEC_B64 $sgpr36_sgpr37, implicit-def $exec, implicit-def $scc, implicit $exec
+ S_ENDPGM 0

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