R600: Use correct encoding for Vertex Fetch instructions on Cayman
Reviewed-by: Vincent Lejeune<vljn at ovi.com>
llvm-svn: 184016
diff --git a/llvm/test/CodeGen/R600/vertex-fetch-encoding.ll b/llvm/test/CodeGen/R600/vertex-fetch-encoding.ll
new file mode 100644
index 0000000..7ea7a5c
--- /dev/null
+++ b/llvm/test/CodeGen/R600/vertex-fetch-encoding.ll
@@ -0,0 +1,25 @@
+; RUN: llc < %s -march=r600 -show-mc-encoding -mcpu=barts | FileCheck --check-prefix=NI-CHECK %s
+; RUN: llc < %s -march=r600 -show-mc-encoding -mcpu=cayman | FileCheck --check-prefix=CM-CHECK %s
+
+; NI-CHECK: @vtx_fetch32
+; NI-CHECK: VTX_READ_32 T[[GPR:[0-9]]].X, T[[GPR]].X, 0 ; encoding: [0x40,0x01,0x0[[GPR]],0x10,0x0[[GPR]],0xf0,0x5f,0x13,0x00,0x00,0x08,0x00
+; CM-CHECK: @vtx_fetch32
+; CM-CHECK: VTX_READ_32 T[[GPR:[0-9]]].X, T[[GPR]].X, 0 ; encoding: [0x40,0x01,0x0[[GPR]],0x00,0x0[[GPR]],0xf0,0x5f,0x13,0x00,0x00,0x00,0x00
+
+define void @vtx_fetch32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
+entry:
+ %0 = load i32 addrspace(1)* %in
+ store i32 %0, i32 addrspace(1)* %out
+ ret void
+}
+
+; NI-CHECK: @vtx_fetch128
+; NI-CHECK: VTX_READ_128 T[[DST:[0-9]]].XYZW, T[[SRC:[0-9]]].X, 0 ; encoding: [0x40,0x01,0x0[[SRC]],0x40,0x0[[DST]],0x10,0x8d,0x18,0x00,0x00,0x08,0x00
+; XXX: Add a case for Cayman when v4i32 stores are supported.
+
+define void @vtx_fetch128(<4 x i32> addrspace(1)* %out, <4 x i32> addrspace(1)* %in) {
+entry:
+ %0 = load <4 x i32> addrspace(1)* %in
+ store <4 x i32> %0, <4 x i32> addrspace(1)* %out
+ ret void
+}