vendor/llvm/llvm-trunk-r240225

1 files changed, 26 insertions, 0 deletions

diff --git a/test/CodeGen/AMDGPU/lds-size.ll b/test/CodeGen/AMDGPU/lds-size.ll
new file mode 100644
index 0000000000000..3e8328659fdb8
--- /dev/null
+++ b/test/CodeGen/AMDGPU/lds-size.ll
@@ -0,0 +1,26 @@
+; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
+
+; This test makes sure we do not double count global values when they are
+; used in different basic blocks.
+
+; CHECK: .long   166120
+; CHECK-NEXT: .long   1
+; CHECK-LABEL: {{^}}test:
+@lds = internal unnamed_addr addrspace(3) global i32 undef, align 4
+
+define void @test(i32 addrspace(1)* %out, i32 %cond) {
+entry:
+  %0 = icmp eq i32 %cond, 0
+  br i1 %0, label %if, label %else
+
+if:
+  store i32 1, i32 addrspace(3)* @lds
+  br label %endif
+
+else:
+  store i32 2, i32 addrspace(3)* @lds
+  br label %endif
+
+endif:
+  ret void
+}