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llvm-mirror/test/CodeGen/AMDGPU/scalar_to_vector_v2x16.ll
Stanislav Mekhanoshin 2568525efc [AMDGPU] Restored selection of scalar_to_vector (v2x16)
This works if DAG combiner is enabled, but without combining
we cannot select scalar_to_vector of <2 x half> and <2 x i16>.

Differential Revision: https://reviews.llvm.org/D54718

llvm-svn: 347259
2018-11-19 19:58:13 +00:00

27 lines
1.1 KiB
LLVM

; 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
}