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authorTom Stellard <thomas.stellard@amd.com>2015-06-13 03:28:10 +0000
committerTom Stellard <thomas.stellard@amd.com>2015-06-13 03:28:10 +0000
commit45bb48ea197fe496865387120c7c55b56f0717d6 (patch)
tree3914fb8c4ace9ea4dee024fc944d51dc45adf401 /llvm/test/CodeGen/AMDGPU/missing-store.ll
parent8fa9677d4eb1cd43973eb59acc12b0534691d604 (diff)
downloadbcm5719-llvm-45bb48ea197fe496865387120c7c55b56f0717d6.tar.gz
bcm5719-llvm-45bb48ea197fe496865387120c7c55b56f0717d6.zip
R600 -> AMDGPU rename
llvm-svn: 239657
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/missing-store.ll')
-rw-r--r--llvm/test/CodeGen/AMDGPU/missing-store.ll26
1 files changed, 26 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/missing-store.ll b/llvm/test/CodeGen/AMDGPU/missing-store.ll
new file mode 100644
index 00000000000..4af9cdf1b96
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/missing-store.ll
@@ -0,0 +1,26 @@
+; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=FUNC -check-prefix=SI %s
+
+@ptr_load = addrspace(3) global i32 addrspace(2)* undef, align 8
+
+; Make sure when the load from %ptr2 is folded the chain isn't lost,
+; resulting in losing the store to gptr
+
+; FUNC-LABEL: {{^}}missing_store_reduced:
+; SI: ds_read_b64
+; SI: buffer_store_dword
+; SI: buffer_load_dword
+; SI: buffer_store_dword
+; SI: s_endpgm
+define void @missing_store_reduced(i32 addrspace(1)* %out, i32 addrspace(1)* %gptr) #0 {
+ %ptr0 = load i32 addrspace(2)*, i32 addrspace(2)* addrspace(3)* @ptr_load, align 8
+ %ptr2 = getelementptr inbounds i32, i32 addrspace(2)* %ptr0, i64 2
+
+ store i32 99, i32 addrspace(1)* %gptr, align 4
+ %tmp2 = load i32, i32 addrspace(2)* %ptr2, align 4
+
+ store i32 %tmp2, i32 addrspace(1)* %out, align 4
+ ret void
+}
+
+attributes #0 = { nounwind }
+
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