Files
archived-llvm/test/CodeGen/AMDGPU/bswap.ll
Matt Arsenault d019e8638a 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>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@292982 91177308-0d34-0410-b5e6-96231b3b80d8
2017-01-24 22:02:15 +00:00

118 lines
4.2 KiB
LLVM

; RUN: llc -march=amdgcn -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
declare i32 @llvm.bswap.i32(i32) nounwind readnone
declare <2 x i32> @llvm.bswap.v2i32(<2 x i32>) nounwind readnone
declare <4 x i32> @llvm.bswap.v4i32(<4 x i32>) nounwind readnone
declare <8 x i32> @llvm.bswap.v8i32(<8 x i32>) nounwind readnone
declare i64 @llvm.bswap.i64(i64) nounwind readnone
declare <2 x i64> @llvm.bswap.v2i64(<2 x i64>) nounwind readnone
declare <4 x i64> @llvm.bswap.v4i64(<4 x i64>) nounwind readnone
; FUNC-LABEL: @test_bswap_i32
; SI: buffer_load_dword [[VAL:v[0-9]+]]
; SI-DAG: v_alignbit_b32 [[TMP0:v[0-9]+]], [[VAL]], [[VAL]], 8
; SI-DAG: v_alignbit_b32 [[TMP1:v[0-9]+]], [[VAL]], [[VAL]], 24
; SI-DAG: s_mov_b32 [[K:s[0-9]+]], 0xff00ff
; SI: v_bfi_b32 [[RESULT:v[0-9]+]], [[K]], [[TMP1]], [[TMP0]]
; SI: buffer_store_dword [[RESULT]]
; SI: s_endpgm
define void @test_bswap_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
%val = load i32, i32 addrspace(1)* %in, align 4
%bswap = call i32 @llvm.bswap.i32(i32 %val) nounwind readnone
store i32 %bswap, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @test_bswap_v2i32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_bfi_b32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_bfi_b32
; SI: s_endpgm
define void @test_bswap_v2i32(<2 x i32> addrspace(1)* %out, <2 x i32> addrspace(1)* %in) nounwind {
%val = load <2 x i32>, <2 x i32> addrspace(1)* %in, align 8
%bswap = call <2 x i32> @llvm.bswap.v2i32(<2 x i32> %val) nounwind readnone
store <2 x i32> %bswap, <2 x i32> addrspace(1)* %out, align 8
ret void
}
; FUNC-LABEL: @test_bswap_v4i32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_bfi_b32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_bfi_b32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_bfi_b32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_bfi_b32
; SI: s_endpgm
define void @test_bswap_v4i32(<4 x i32> addrspace(1)* %out, <4 x i32> addrspace(1)* %in) nounwind {
%val = load <4 x i32>, <4 x i32> addrspace(1)* %in, align 16
%bswap = call <4 x i32> @llvm.bswap.v4i32(<4 x i32> %val) nounwind readnone
store <4 x i32> %bswap, <4 x i32> addrspace(1)* %out, align 16
ret void
}
; FUNC-LABEL: @test_bswap_v8i32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_bfi_b32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_bfi_b32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_bfi_b32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_bfi_b32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_bfi_b32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_bfi_b32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_bfi_b32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_alignbit_b32
; SI-DAG: v_bfi_b32
; SI: s_endpgm
define void @test_bswap_v8i32(<8 x i32> addrspace(1)* %out, <8 x i32> addrspace(1)* %in) nounwind {
%val = load <8 x i32>, <8 x i32> addrspace(1)* %in, align 32
%bswap = call <8 x i32> @llvm.bswap.v8i32(<8 x i32> %val) nounwind readnone
store <8 x i32> %bswap, <8 x i32> addrspace(1)* %out, align 32
ret void
}
; FUNC-LABEL: {{^}}test_bswap_i64:
; SI-NOT: v_or_b32_e64 v{{[0-9]+}}, 0, 0
define void @test_bswap_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %in) nounwind {
%val = load i64, i64 addrspace(1)* %in, align 8
%bswap = call i64 @llvm.bswap.i64(i64 %val) nounwind readnone
store i64 %bswap, i64 addrspace(1)* %out, align 8
ret void
}
define void @test_bswap_v2i64(<2 x i64> addrspace(1)* %out, <2 x i64> addrspace(1)* %in) nounwind {
%val = load <2 x i64>, <2 x i64> addrspace(1)* %in, align 16
%bswap = call <2 x i64> @llvm.bswap.v2i64(<2 x i64> %val) nounwind readnone
store <2 x i64> %bswap, <2 x i64> addrspace(1)* %out, align 16
ret void
}
define void @test_bswap_v4i64(<4 x i64> addrspace(1)* %out, <4 x i64> addrspace(1)* %in) nounwind {
%val = load <4 x i64>, <4 x i64> addrspace(1)* %in, align 32
%bswap = call <4 x i64> @llvm.bswap.v4i64(<4 x i64> %val) nounwind readnone
store <4 x i64> %bswap, <4 x i64> addrspace(1)* %out, align 32
ret void
}