mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-16 11:30:51 +00:00
7c9c6ed761
Essentially the same as the GEP change in r230786.
A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)
import fileinput
import sys
import re
pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")
for line in sys.stdin:
sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7649
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
192 lines
6.8 KiB
LLVM
192 lines
6.8 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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declare i32 @llvm.r600.read.tidig.x() nounwind readnone
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; Make sure we don't turn the 32-bit argument load into a 16-bit
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; load. There aren't extending scalar lods, so that would require
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; using a buffer_load instruction.
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; FUNC-LABEL: {{^}}truncate_kernarg_i32_to_i16:
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; SI: s_load_dword s
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; SI: buffer_store_short v
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define void @truncate_kernarg_i32_to_i16(i16 addrspace(1)* %out, i32 %arg) nounwind {
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%trunc = trunc i32 %arg to i16
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store i16 %trunc, i16 addrspace(1)* %out
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ret void
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}
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; It should be OK (and probably performance neutral) to reduce this,
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; but we don't know if the load is uniform yet.
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; FUNC-LABEL: {{^}}truncate_buffer_load_i32_to_i16:
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; SI: buffer_load_dword v
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; SI: buffer_store_short v
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define void @truncate_buffer_load_i32_to_i16(i16 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
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%tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
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%gep.in = getelementptr i32, i32 addrspace(1)* %in, i32 %tid
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%gep.out = getelementptr i16, i16 addrspace(1)* %out, i32 %tid
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%load = load i32, i32 addrspace(1)* %gep.in
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%trunc = trunc i32 %load to i16
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store i16 %trunc, i16 addrspace(1)* %gep.out
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ret void
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}
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; FUNC-LABEL: {{^}}truncate_kernarg_i32_to_i8:
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; SI: s_load_dword s
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; SI: buffer_store_byte v
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define void @truncate_kernarg_i32_to_i8(i8 addrspace(1)* %out, i32 %arg) nounwind {
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%trunc = trunc i32 %arg to i8
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store i8 %trunc, i8 addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}truncate_buffer_load_i32_to_i8:
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; SI: buffer_load_dword v
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; SI: buffer_store_byte v
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define void @truncate_buffer_load_i32_to_i8(i8 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
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%tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
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%gep.in = getelementptr i32, i32 addrspace(1)* %in, i32 %tid
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%gep.out = getelementptr i8, i8 addrspace(1)* %out, i32 %tid
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%load = load i32, i32 addrspace(1)* %gep.in
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%trunc = trunc i32 %load to i8
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store i8 %trunc, i8 addrspace(1)* %gep.out
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ret void
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}
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; FUNC-LABEL: {{^}}truncate_kernarg_i32_to_i1:
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; SI: s_load_dword s
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; SI: buffer_store_byte v
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define void @truncate_kernarg_i32_to_i1(i1 addrspace(1)* %out, i32 %arg) nounwind {
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%trunc = trunc i32 %arg to i1
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store i1 %trunc, i1 addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}truncate_buffer_load_i32_to_i1:
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; SI: buffer_load_dword v
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; SI: buffer_store_byte v
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define void @truncate_buffer_load_i32_to_i1(i1 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
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%tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
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%gep.in = getelementptr i32, i32 addrspace(1)* %in, i32 %tid
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%gep.out = getelementptr i1, i1 addrspace(1)* %out, i32 %tid
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%load = load i32, i32 addrspace(1)* %gep.in
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%trunc = trunc i32 %load to i1
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store i1 %trunc, i1 addrspace(1)* %gep.out
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ret void
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}
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; FUNC-LABEL: {{^}}truncate_kernarg_i64_to_i32:
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; SI: s_load_dword s
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; SI: buffer_store_dword v
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define void @truncate_kernarg_i64_to_i32(i32 addrspace(1)* %out, i64 %arg) nounwind {
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%trunc = trunc i64 %arg to i32
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store i32 %trunc, i32 addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}truncate_buffer_load_i64_to_i32:
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; SI: buffer_load_dword v
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; SI: buffer_store_dword v
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define void @truncate_buffer_load_i64_to_i32(i32 addrspace(1)* %out, i64 addrspace(1)* %in) nounwind {
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%tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
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%gep.in = getelementptr i64, i64 addrspace(1)* %in, i32 %tid
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%gep.out = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
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%load = load i64, i64 addrspace(1)* %gep.in
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%trunc = trunc i64 %load to i32
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store i32 %trunc, i32 addrspace(1)* %gep.out
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ret void
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}
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; FUNC-LABEL: {{^}}srl_kernarg_i64_to_i32:
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; SI: s_load_dword s
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; SI: buffer_store_dword v
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define void @srl_kernarg_i64_to_i32(i32 addrspace(1)* %out, i64 %arg) nounwind {
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%srl = lshr i64 %arg, 32
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%trunc = trunc i64 %srl to i32
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store i32 %trunc, i32 addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}srl_buffer_load_i64_to_i32:
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; SI: buffer_load_dword v
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; SI: buffer_store_dword v
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define void @srl_buffer_load_i64_to_i32(i32 addrspace(1)* %out, i64 addrspace(1)* %in) nounwind {
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%tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
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%gep.in = getelementptr i64, i64 addrspace(1)* %in, i32 %tid
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%gep.out = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
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%load = load i64, i64 addrspace(1)* %gep.in
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%srl = lshr i64 %load, 32
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%trunc = trunc i64 %srl to i32
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store i32 %trunc, i32 addrspace(1)* %gep.out
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ret void
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}
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; Might as well reduce to 8-bit loads.
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; FUNC-LABEL: {{^}}truncate_kernarg_i16_to_i8:
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; SI: s_load_dword s
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; SI: buffer_store_byte v
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define void @truncate_kernarg_i16_to_i8(i8 addrspace(1)* %out, i16 %arg) nounwind {
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%trunc = trunc i16 %arg to i8
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store i8 %trunc, i8 addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}truncate_buffer_load_i16_to_i8:
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; SI: buffer_load_ubyte v
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; SI: buffer_store_byte v
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define void @truncate_buffer_load_i16_to_i8(i8 addrspace(1)* %out, i16 addrspace(1)* %in) nounwind {
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%tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
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%gep.in = getelementptr i16, i16 addrspace(1)* %in, i32 %tid
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%gep.out = getelementptr i8, i8 addrspace(1)* %out, i32 %tid
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%load = load i16, i16 addrspace(1)* %gep.in
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%trunc = trunc i16 %load to i8
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store i8 %trunc, i8 addrspace(1)* %gep.out
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ret void
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}
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; FUNC-LABEL: {{^}}srl_kernarg_i64_to_i8:
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; SI: s_load_dword s
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; SI: buffer_store_byte v
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define void @srl_kernarg_i64_to_i8(i8 addrspace(1)* %out, i64 %arg) nounwind {
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%srl = lshr i64 %arg, 32
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%trunc = trunc i64 %srl to i8
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store i8 %trunc, i8 addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}srl_buffer_load_i64_to_i8:
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; SI: buffer_load_dword v
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; SI: buffer_store_byte v
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define void @srl_buffer_load_i64_to_i8(i8 addrspace(1)* %out, i64 addrspace(1)* %in) nounwind {
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%tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
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%gep.in = getelementptr i64, i64 addrspace(1)* %in, i32 %tid
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%gep.out = getelementptr i8, i8 addrspace(1)* %out, i32 %tid
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%load = load i64, i64 addrspace(1)* %gep.in
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%srl = lshr i64 %load, 32
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%trunc = trunc i64 %srl to i8
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store i8 %trunc, i8 addrspace(1)* %gep.out
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ret void
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}
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; FUNC-LABEL: {{^}}truncate_kernarg_i64_to_i8:
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; SI: s_load_dword s
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; SI: buffer_store_byte v
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define void @truncate_kernarg_i64_to_i8(i8 addrspace(1)* %out, i64 %arg) nounwind {
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%trunc = trunc i64 %arg to i8
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store i8 %trunc, i8 addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}truncate_buffer_load_i64_to_i8:
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; SI: buffer_load_dword v
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; SI: buffer_store_byte v
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define void @truncate_buffer_load_i64_to_i8(i8 addrspace(1)* %out, i64 addrspace(1)* %in) nounwind {
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%tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
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%gep.in = getelementptr i64, i64 addrspace(1)* %in, i32 %tid
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%gep.out = getelementptr i8, i8 addrspace(1)* %out, i32 %tid
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%load = load i64, i64 addrspace(1)* %gep.in
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%trunc = trunc i64 %load to i8
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store i8 %trunc, i8 addrspace(1)* %gep.out
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ret void
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}
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