1 files changed, 30 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/amdgcn.private-memory.ll b/llvm/test/CodeGen/AMDGPU/amdgcn.private-memory.ll
new file mode 100644
index 00000000000..d919efe15a1
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/amdgcn.private-memory.ll
@@ -0,0 +1,30 @@
+; RUN: llc -show-mc-encoding -mattr=+promote-alloca -verify-machineinstrs -march=amdgcn < %s | FileCheck %s -check-prefix=SI-PROMOTE -check-prefix=SI -check-prefix=FUNC
+; RUN: llc -show-mc-encoding -mattr=+promote-alloca -verify-machineinstrs -mtriple=amdgcn--amdhsa -mcpu=kaveri < %s | FileCheck %s -check-prefix=SI-PROMOTE -check-prefix=SI -check-prefix=FUNC -check-prefix=HSA-PROMOTE
+; RUN: llc -show-mc-encoding -mattr=-promote-alloca -verify-machineinstrs -march=amdgcn < %s | FileCheck %s -check-prefix=SI-ALLOCA -check-prefix=SI -check-prefix=FUNC
+; RUN: llc -show-mc-encoding -mattr=-promote-alloca -verify-machineinstrs -mtriple=amdgcn-amdhsa -mcpu=kaveri < %s | FileCheck %s -check-prefix=SI-ALLOCA -check-prefix=SI -check-prefix=FUNC -check-prefix=HSA-ALLOCA
+; RUN: llc -show-mc-encoding -mattr=+promote-alloca -verify-machineinstrs -march=amdgcn -mcpu=tonga < %s | FileCheck %s -check-prefix=SI-PROMOTE -check-prefix=SI -check-prefix=FUNC
+; RUN: llc -show-mc-encoding -mattr=-promote-alloca -verify-machineinstrs -march=amdgcn -mcpu=tonga < %s | FileCheck %s -check-prefix=SI-ALLOCA -check-prefix=SI -check-prefix=FUNC
+
+
+declare i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
+
+
+; Make sure we don't overwrite workitem information with private memory
+
+; FUNC-LABEL: {{^}}work_item_info:
+
+; SI-NOT: v_mov_b32_e{{(32|64)}} v0
+define void @work_item_info(i32 addrspace(1)* %out, i32 %in) {
+entry:
+  %0 = alloca [2 x i32]
+  %1 = getelementptr [2 x i32], [2 x i32]* %0, i32 0, i32 0
+  %2 = getelementptr [2 x i32], [2 x i32]* %0, i32 0, i32 1
+  store i32 0, i32* %1
+  store i32 1, i32* %2
+  %3 = getelementptr [2 x i32], [2 x i32]* %0, i32 0, i32 %in
+  %4 = load i32, i32* %3
+  %5 = call i32 @llvm.amdgcn.workitem.id.x()
+  %6 = add i32 %4, %5
+  store i32 %6, i32 addrspace(1)* %out
+  ret void
+}