vstore: Cleanup and add vstore(half)

Add missing undefs
Make helpers amdgpu specific (NVPTX uses different numbering for private AS)
Use clang builtins on clang >= 6

Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
Reviewed-by: Tom Stellard <tstellar@redhat.com>
llvm-svn: 312838

1 files changed, 35 insertions, 0 deletions

diff --git a/libclc/amdgpu/lib/shared/vstore_half_helpers.ll b/libclc/amdgpu/lib/shared/vstore_half_helpers.ll
new file mode 100644
index 00000000000..e958664e560
--- /dev/null
+++ b/libclc/amdgpu/lib/shared/vstore_half_helpers.ll
@@ -0,0 +1,35 @@
+define void @__clc_vstore_half_float_helper__private(float %data, half addrspace(0)* nocapture %ptr) nounwind alwaysinline {
+  %res = fptrunc float %data to half
+  store half %res, half addrspace(0)* %ptr
+  ret void
+}
+
+define void @__clc_vstore_half_float_helper__global(float %data, half addrspace(1)* nocapture %ptr) nounwind alwaysinline {
+  %res = fptrunc float %data to half
+  store half %res, half addrspace(1)* %ptr
+  ret void
+}
+
+define void @__clc_vstore_half_float_helper__local(float %data, half addrspace(3)* nocapture %ptr) nounwind alwaysinline {
+  %res = fptrunc float %data to half
+  store half %res, half addrspace(3)* %ptr
+  ret void
+}
+
+define void @__clc_vstore_half_double_helper__private(double %data, half addrspace(0)* nocapture %ptr) nounwind alwaysinline {
+  %res = fptrunc double %data to half
+  store half %res, half addrspace(0)* %ptr
+  ret void
+}
+
+define void @__clc_vstore_half_double_helper__global(double %data, half addrspace(1)* nocapture %ptr) nounwind alwaysinline {
+  %res = fptrunc double %data to half
+  store half %res, half addrspace(1)* %ptr
+  ret void
+}
+
+define void @__clc_vstore_half_double_helper__local(double %data, half addrspace(3)* nocapture %ptr) nounwind alwaysinline {
+  %res = fptrunc double %data to half
+  store half %res, half addrspace(3)* %ptr
+  ret void
+}