[PATCH] D54718: Restored selection of scalar_to_vector (v2x16)
Stanislav Mekhanoshin via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Nov 19 12:01:07 PST 2018
This revision was automatically updated to reflect the committed changes.
Closed by commit rL347259: [AMDGPU] Restored selection of scalar_to_vector (v2x16) (authored by rampitec, committed by ).
Changed prior to commit:
https://reviews.llvm.org/D54718?vs=174661&id=174664#toc
Repository:
rL LLVM
https://reviews.llvm.org/D54718
Files:
llvm/trunk/lib/Target/AMDGPU/SIInstructions.td
llvm/trunk/test/CodeGen/AMDGPU/scalar_to_vector_v2x16.ll
Index: llvm/trunk/test/CodeGen/AMDGPU/scalar_to_vector_v2x16.ll
===================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/scalar_to_vector_v2x16.ll
+++ llvm/trunk/test/CodeGen/AMDGPU/scalar_to_vector_v2x16.ll
@@ -0,0 +1,26 @@
+; RUN: llc -march=amdgcn -mcpu=fiji -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,GCN-OPT %s
+; RUN: llc -march=amdgcn -mcpu=fiji -O0 -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,GCN-NOOPT %s
+
+; GCN-LABEL: {{^}}scalar_to_vector_i16:
+; GCN-NOOPT: s_mov_b32 [[S:s[0-9]+]], 42
+; GCN-NOOPT: v_mov_b32_e32 [[V:v[0-9]+]], [[S]]
+; GCN-OPT: v_mov_b32_e32 [[V:v[0-9]+]], 42
+; GCN: buffer_store_short [[V]],
+define void @scalar_to_vector_i16() {
+ %tmp = load <2 x i16>, <2 x i16> addrspace(5)* undef
+ %tmp1 = insertelement <2 x i16> %tmp, i16 42, i64 0
+ store <2 x i16> %tmp1, <2 x i16> addrspace(5)* undef
+ ret void
+}
+
+; GCN-LABEL: {{^}}scalar_to_vector_f16:
+; GCN-NOOPT: s_movk_i32 [[S:s[0-9]+]], 0x3c00
+; GCN-NOOPT: v_mov_b32_e32 [[V:v[0-9]+]], [[S]]
+; GCN-OPT: v_mov_b32_e32 [[V:v[0-9]+]], 0x3c00
+; GCN: buffer_store_short [[V]],
+define void @scalar_to_vector_f16() {
+ %tmp = load <2 x half>, <2 x half> addrspace(5)* undef
+ %tmp1 = insertelement <2 x half> %tmp, half 1.0, i64 0
+ store <2 x half> %tmp1, <2 x half> addrspace(5)* undef
+ ret void
+}
Index: llvm/trunk/lib/Target/AMDGPU/SIInstructions.td
===================================================================
--- llvm/trunk/lib/Target/AMDGPU/SIInstructions.td
+++ llvm/trunk/lib/Target/AMDGPU/SIInstructions.td
@@ -1537,15 +1537,15 @@
} // End SubtargetPredicate = HasVOP3PInsts
-// def : GCNPat <
-// (v2f16 (scalar_to_vector f16:$src0)),
-// (COPY $src0)
-// >;
-
-// def : GCNPat <
-// (v2i16 (scalar_to_vector i16:$src0)),
-// (COPY $src0)
-// >;
+def : GCNPat <
+ (v2f16 (scalar_to_vector f16:$src0)),
+ (COPY $src0)
+>;
+
+def : GCNPat <
+ (v2i16 (scalar_to_vector i16:$src0)),
+ (COPY $src0)
+>;
def : GCNPat <
(v4i16 (scalar_to_vector i16:$src0)),
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