AMDGPU: Fix test name and broken CHECK-LABEL

llvm-svn: 275928

1 files changed, 53 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.groupstaticsize.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.groupstaticsize.ll
new file mode 100644
index 00000000000..9090b0841a9
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.groupstaticsize.ll
@@ -0,0 +1,53 @@
+; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck %s
+; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=kaveri -verify-machineinstrs < %s | FileCheck %s
+; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=fiji -verify-machineinstrs < %s | FileCheck %s
+
+@lds0 = addrspace(3) global [512 x float] undef, align 4
+@lds1 = addrspace(3) global [256 x float] undef, align 4
+
+; CHECK-LABEL: {{^}}groupstaticsize_test0:
+; CHECK: s_movk_i32 s{{[0-9]+}}, 0x800
+define void @groupstaticsize_test0(float addrspace(1)* %out, i32 addrspace(1)* %lds_size) #0 {
+  %tid.x = tail call i32 @llvm.amdgcn.workitem.id.x() #1
+  %idx.0 = add nsw i32 %tid.x, 64
+  %static_lds_size = call i32 @llvm.amdgcn.groupstaticsize() #1
+  store i32 %static_lds_size, i32 addrspace(1)* %lds_size, align 4
+  %arrayidx0 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds0, i32 0, i32 %idx.0
+  %val0 = load float, float addrspace(3)* %arrayidx0, align 4
+  store float %val0, float addrspace(1)* %out, align 4
+
+  ret void
+}
+
+; CHECK-LABEL: {{^}}groupstaticsize_test1:
+; CHECK: s_movk_i32 s{{[0-9]+}}, 0xc00
+define void @groupstaticsize_test1(float addrspace(1)* %out, i32 %cond, i32 addrspace(1)* %lds_size) {
+entry:
+  %static_lds_size = call i32 @llvm.amdgcn.groupstaticsize() #1
+  store i32 %static_lds_size, i32 addrspace(1)* %lds_size, align 4
+  %tid.x = tail call i32 @llvm.amdgcn.workitem.id.x() #1
+  %idx.0 = add nsw i32 %tid.x, 64
+  %tmp = icmp eq i32 %cond, 0
+  br i1 %tmp, label %if, label %else
+
+if:                                               ; preds = %entry
+  %arrayidx0 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds0, i32 0, i32 %idx.0
+  %val0 = load float, float addrspace(3)* %arrayidx0, align 4
+  store float %val0, float addrspace(1)* %out, align 4
+  br label %endif
+
+else:                                             ; preds = %entry
+  %arrayidx1 = getelementptr inbounds [256 x float], [256 x float] addrspace(3)* @lds1, i32 0, i32 %idx.0
+  %val1 = load float, float addrspace(3)* %arrayidx1, align 4
+  store float %val1, float addrspace(1)* %out, align 4
+  br label %endif
+
+endif:                                            ; preds = %else, %if
+  ret void
+}
+
+declare i32 @llvm.amdgcn.groupstaticsize() #1
+declare i32 @llvm.amdgcn.workitem.id.x() #1
+
+attributes #0 = { nounwind }
+attributes #1 = { nounwind readnone }