R600: Add support for i8 and i16 local memory loads

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189225 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 78 insertions, 0 deletions

diff --git a/test/CodeGen/R600/load.ll b/test/CodeGen/R600/load.ll
index abb10617dd..ba8250650f 100644
--- a/test/CodeGen/R600/load.ll
+++ b/test/CodeGen/R600/load.ll
@@ -438,3 +438,81 @@ define void @load_const_addrspace_f32(float addrspace(1)* %out, float addrspace(
   ret void
 }
 
+;===------------------------------------------------------------------------===;
+; LOCAL ADDRESS SPACE
+;===------------------------------------------------------------------------===;
+
+; Load an i8 value from the local address space.
+; R600-CHECK: @load_i8_local
+; R600-CHECK: LDS_UBYTE_READ_RET
+; SI-CHECK: @load_i8_local
+; SI-CHECK: DS_READ_U8
+define void @load_i8_local(i32 addrspace(1)* %out, i8 addrspace(3)* %in) {
+  %1 = load i8 addrspace(3)* %in
+  %2 = zext i8 %1 to i32
+  store i32 %2, i32 addrspace(1)* %out
+  ret void
+}
+
+; R600-CHECK: @load_i8_sext_local
+; R600-CHECK: LDS_UBYTE_READ_RET
+; R600-CHECK: ASHR
+; SI-CHECK: @load_i8_sext_local
+; SI-CHECK: DS_READ_I8
+define void @load_i8_sext_local(i32 addrspace(1)* %out, i8 addrspace(3)* %in) {
+entry:
+  %0 = load i8 addrspace(3)* %in
+  %1 = sext i8 %0 to i32
+  store i32 %1, i32 addrspace(1)* %out
+  ret void
+}
+
+; Load an i16 value from the local address space.
+; R600-CHECK: @load_i16_local
+; R600-CHECK: LDS_USHORT_READ_RET
+; SI-CHECK: @load_i16_local
+; SI-CHECK: DS_READ_U16
+define void @load_i16_local(i32 addrspace(1)* %out, i16 addrspace(3)* %in) {
+entry:
+  %0 = load i16	 addrspace(3)* %in
+  %1 = zext i16 %0 to i32
+  store i32 %1, i32 addrspace(1)* %out
+  ret void
+}
+
+; R600-CHECK: @load_i16_sext_local
+; R600-CHECK: LDS_USHORT_READ_RET
+; R600-CHECK: ASHR
+; SI-CHECK: @load_i16_sext_local
+; SI-CHECK: DS_READ_I16
+define void @load_i16_sext_local(i32 addrspace(1)* %out, i16 addrspace(3)* %in) {
+entry:
+  %0 = load i16 addrspace(3)* %in
+  %1 = sext i16 %0 to i32
+  store i32 %1, i32 addrspace(1)* %out
+  ret void
+}
+
+; load an i32 value from the glocal address space.
+; R600-CHECK: @load_i32_local
+; R600-CHECK: LDS_READ_RET
+; SI-CHECK: @load_i32_local
+; SI-CHECK: DS_READ_B32
+define void @load_i32_local(i32 addrspace(1)* %out, i32 addrspace(3)* %in) {
+entry:
+  %0 = load i32 addrspace(3)* %in
+  store i32 %0, i32 addrspace(1)* %out
+  ret void
+}
+
+; load a f32 value from the global address space.
+; R600-CHECK: @load_f32_local
+; R600-CHECK: LDS_READ_RET
+; SI-CHECK: @load_f32_local
+; SI-CHECK: DS_READ_B32
+define void @load_f32_local(float addrspace(1)* %out, float addrspace(3)* %in) {
+entry:
+  %0 = load float addrspace(3)* %in
+  store float %0, float addrspace(1)* %out
+  ret void
+}