R600/SI: Add intrinsic for MIMG IMAGE_GET_RESINFO opcode

Patch by: Michel Dänzer

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181269 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/R600/SIInstructions.td b/lib/Target/R600/SIInstructions.td
index 132b6d1643745d2eaadf65b11fdb7bad334bd211..0d50c5d849993b31c14746f8e640c7c0fdc6563b 100644 (file)
--- a/lib/Target/R600/SIInstructions.td
+++ b/lib/Target/R600/SIInstructions.td
@@ -504,7 +504,7 @@ def IMAGE_LOAD_MIP : MIMG_NoSampler_Helper <0x00000001, "IMAGE_LOAD_MIP">;
 //def IMAGE_STORE_MIP : MIMG_NoPattern_ <"IMAGE_STORE_MIP", 0x00000009>;
 //def IMAGE_STORE_PCK : MIMG_NoPattern_ <"IMAGE_STORE_PCK", 0x0000000a>;
 //def IMAGE_STORE_MIP_PCK : MIMG_NoPattern_ <"IMAGE_STORE_MIP_PCK", 0x0000000b>;
-//def IMAGE_GET_RESINFO : MIMG_NoPattern_ <"IMAGE_GET_RESINFO", 0x0000000e>;
+def IMAGE_GET_RESINFO : MIMG_NoSampler_Helper <0x0000000e, "IMAGE_GET_RESINFO">;
 //def IMAGE_ATOMIC_SWAP : MIMG_NoPattern_ <"IMAGE_ATOMIC_SWAP", 0x0000000f>;
 //def IMAGE_ATOMIC_CMPSWAP : MIMG_NoPattern_ <"IMAGE_ATOMIC_CMPSWAP", 0x00000010>;
 //def IMAGE_ATOMIC_ADD : MIMG_NoPattern_ <"IMAGE_ATOMIC_ADD", 0x00000011>;
@@ -1300,6 +1300,17 @@ multiclass ImageLoadPatterns<ValueType addr_type> {
 defm : ImageLoadPatterns<v2i32>;
 defm : ImageLoadPatterns<v4i32>;
 
+/* Image resource information */
+def : Pat <
+  (int_SI_resinfo i32:$mipid, v32i8:$rsrc, imm),
+  (IMAGE_GET_RESINFO 0xf, 0, 0, 0, 0, 0, 0, 0, (V_MOV_B32_e32 $mipid), $rsrc)
+>;
+
+def : Pat <
+  (int_SI_resinfo i32:$mipid, v32i8:$rsrc, TEX_ARRAY),
+  (IMAGE_GET_RESINFO 0xf, 0, 0, 1, 0, 0, 0, 0, (V_MOV_B32_e32 $mipid), $rsrc)
+>;
+
 /********** ============================================ **********/
 /********** Extraction, Insertion, Building and Casting  **********/
 /********** ============================================ **********/

diff --git a/lib/Target/R600/SIIntrinsics.td b/lib/Target/R600/SIIntrinsics.td
index c2fb8843af2856672bc973d02c6bffc3f78673bc..224cd2f608c1f50c14e32d769de2cd52d1393e67 100644 (file)
--- a/lib/Target/R600/SIIntrinsics.td
+++ b/lib/Target/R600/SIIntrinsics.td
@@ -27,6 +27,8 @@ let TargetPrefix = "SI", isTarget = 1 in {
 
   def int_SI_imageload : Intrinsic <[llvm_v4i32_ty], [llvm_anyvector_ty, llvm_v32i8_ty, llvm_i32_ty], [IntrNoMem]>;
 
+  def int_SI_resinfo : Intrinsic <[llvm_v4i32_ty], [llvm_i32_ty, llvm_v32i8_ty, llvm_i32_ty], [IntrNoMem]>;
+
   /* Interpolation Intrinsics */
 
   def int_SI_fs_constant : Intrinsic <[llvm_float_ty], [llvm_i32_ty, llvm_i32_ty, llvm_i32_ty], [IntrNoMem]>;