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llvm-mirror/test/CodeGen/AMDGPU/udiv.ll
Matt Arsenault 81a9bfe915 Enable FeatureFlatForGlobal on Volcanic Islands
This switches to the workaround that HSA defaults to
for the mesa path.

This should be applied to the 4.0 branch.

Patch by Vedran Miletić <vedran@miletic.net>

llvm-svn: 292982
2017-01-24 22:02:15 +00:00

161 lines
5.7 KiB
LLVM

; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
; FUNC-LABEL: {{^}}udiv_i32:
; EG-NOT: SETGE_INT
; EG: CF_END
define void @udiv_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%b_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%a = load i32, i32 addrspace(1) * %in
%b = load i32, i32 addrspace(1) * %b_ptr
%result = udiv i32 %a, %b
store i32 %result, i32 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}s_udiv_i32:
define void @s_udiv_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) {
%result = udiv i32 %a, %b
store i32 %result, i32 addrspace(1)* %out
ret void
}
; The code generated by udiv is long and complex and may frequently
; change. The goal of this test is to make sure the ISel doesn't fail
; when it gets a v4i32 udiv
; FUNC-LABEL: {{^}}udiv_v2i32:
; EG: CF_END
; SI: s_endpgm
define void @udiv_v2i32(<2 x i32> addrspace(1)* %out, <2 x i32> addrspace(1)* %in) {
%b_ptr = getelementptr <2 x i32>, <2 x i32> addrspace(1)* %in, i32 1
%a = load <2 x i32>, <2 x i32> addrspace(1) * %in
%b = load <2 x i32>, <2 x i32> addrspace(1) * %b_ptr
%result = udiv <2 x i32> %a, %b
store <2 x i32> %result, <2 x i32> addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}udiv_v4i32:
; EG: CF_END
; SI: s_endpgm
define void @udiv_v4i32(<4 x i32> addrspace(1)* %out, <4 x i32> addrspace(1)* %in) {
%b_ptr = getelementptr <4 x i32>, <4 x i32> addrspace(1)* %in, i32 1
%a = load <4 x i32>, <4 x i32> addrspace(1) * %in
%b = load <4 x i32>, <4 x i32> addrspace(1) * %b_ptr
%result = udiv <4 x i32> %a, %b
store <4 x i32> %result, <4 x i32> addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}udiv_i32_div_pow2:
; SI: buffer_load_dword [[VAL:v[0-9]+]]
; SI: v_lshrrev_b32_e32 [[RESULT:v[0-9]+]], 4, [[VAL]]
; SI: buffer_store_dword [[RESULT]]
define void @udiv_i32_div_pow2(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%b_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%a = load i32, i32 addrspace(1)* %in
%result = udiv i32 %a, 16
store i32 %result, i32 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}udiv_i32_div_k_even:
; SI-DAG: buffer_load_dword [[VAL:v[0-9]+]]
; SI-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 0xfabbd9c1
; SI: v_mul_hi_u32 [[MULHI:v[0-9]+]], [[K]], [[VAL]]
; SI: v_lshrrev_b32_e32 [[RESULT:v[0-9]+]], 25, [[MULHI]]
; SI: buffer_store_dword [[RESULT]]
define void @udiv_i32_div_k_even(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%b_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%a = load i32, i32 addrspace(1)* %in
%result = udiv i32 %a, 34259182
store i32 %result, i32 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}udiv_i32_div_k_odd:
; SI-DAG: buffer_load_dword [[VAL:v[0-9]+]]
; SI-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 0x7d5deca3
; SI: v_mul_hi_u32 [[MULHI:v[0-9]+]], [[K]], [[VAL]]
; SI: v_lshrrev_b32_e32 [[RESULT:v[0-9]+]], 24, [[MULHI]]
; SI: buffer_store_dword [[RESULT]]
define void @udiv_i32_div_k_odd(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%b_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%a = load i32, i32 addrspace(1)* %in
%result = udiv i32 %a, 34259183
store i32 %result, i32 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}v_udiv_i8:
; SI: v_rcp_f32
; SI: v_and_b32_e32 [[TRUNC:v[0-9]+]], 0xff, v{{[0-9]+}}
; SI: buffer_store_dword [[TRUNC]]
define void @v_udiv_i8(i32 addrspace(1)* %out, i8 addrspace(1)* %in) {
%den_ptr = getelementptr i8, i8 addrspace(1)* %in, i8 1
%num = load i8, i8 addrspace(1) * %in
%den = load i8, i8 addrspace(1) * %den_ptr
%result = udiv i8 %num, %den
%result.ext = zext i8 %result to i32
store i32 %result.ext, i32 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}v_udiv_i16:
; SI: v_rcp_f32
; SI: v_and_b32_e32 [[TRUNC:v[0-9]+]], 0xffff, v{{[0-9]+}}
; SI: buffer_store_dword [[TRUNC]]
define void @v_udiv_i16(i32 addrspace(1)* %out, i16 addrspace(1)* %in) {
%den_ptr = getelementptr i16, i16 addrspace(1)* %in, i16 1
%num = load i16, i16 addrspace(1) * %in
%den = load i16, i16 addrspace(1) * %den_ptr
%result = udiv i16 %num, %den
%result.ext = zext i16 %result to i32
store i32 %result.ext, i32 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}v_udiv_i23:
; SI: v_rcp_f32
; SI: v_and_b32_e32 [[TRUNC:v[0-9]+]], 0x7fffff, v{{[0-9]+}}
; SI: buffer_store_dword [[TRUNC]]
define void @v_udiv_i23(i32 addrspace(1)* %out, i23 addrspace(1)* %in) {
%den_ptr = getelementptr i23, i23 addrspace(1)* %in, i23 1
%num = load i23, i23 addrspace(1) * %in
%den = load i23, i23 addrspace(1) * %den_ptr
%result = udiv i23 %num, %den
%result.ext = zext i23 %result to i32
store i32 %result.ext, i32 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}v_udiv_i24:
; SI-NOT: v_rcp_f32
define void @v_udiv_i24(i32 addrspace(1)* %out, i24 addrspace(1)* %in) {
%den_ptr = getelementptr i24, i24 addrspace(1)* %in, i24 1
%num = load i24, i24 addrspace(1) * %in
%den = load i24, i24 addrspace(1) * %den_ptr
%result = udiv i24 %num, %den
%result.ext = zext i24 %result to i32
store i32 %result.ext, i32 addrspace(1)* %out
ret void
}
; FUNC-LABEL: @scalarize_mulhu_4xi32
; SI: v_mul_hi_u32
; SI: v_mul_hi_u32
; SI: v_mul_hi_u32
; SI: v_mul_hi_u32
define void @scalarize_mulhu_4xi32(<4 x i32> addrspace(1)* nocapture readonly %in, <4 x i32> addrspace(1)* nocapture %out) {
%1 = load <4 x i32>, <4 x i32> addrspace(1)* %in, align 16
%2 = udiv <4 x i32> %1, <i32 53668, i32 53668, i32 53668, i32 53668>
store <4 x i32> %2, <4 x i32> addrspace(1)* %out, align 16
ret void
}