163d036d64
This PR improves legalization process of SPIR-V instructions. Namely, it introduces validation and fixing of bit width of scalar registers as a part of pre-legalizer. A test case is added that demonstrates ability to legalize instructions with non 8/16/32/64 bit width both with and without vendor-specific SPIR-V extension (SPV_INTEL_arbitrary_precision_integers). In the case of absence of the extension, a generated SPIR-V code will fallback to 8/16/32/64 bit width in OpTypeInt, but SPIR-V Backend still is able to legalize operations with original integer sizes.
57 lines
2.3 KiB
LLVM
57 lines
2.3 KiB
LLVM
; RUN: llc -O0 -mtriple=spirv64-unknown-unknown %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-NOEXT
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; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv64-unknown-unknown %s -o - -filetype=obj | spirv-val %}
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; RUN: llc -O0 -mtriple=spirv64-unknown-unknown %s --spirv-ext=+SPV_INTEL_arbitrary_precision_integers -o - | FileCheck %s --check-prefixes=CHECK,CHECK-EXT
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; RUN: llc -O0 -mtriple=spirv32-unknown-unknown %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-NOEXT
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; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv32-unknown-unknown %s -o - -filetype=obj | spirv-val %}
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; RUN: llc -O0 -mtriple=spirv32-unknown-unknown %s --spirv-ext=+SPV_INTEL_arbitrary_precision_integers -o - | FileCheck %s --check-prefixes=CHECK,CHECK-EXT
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; CHECK-DAG: OpName %[[#Struct:]] "struct"
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; CHECK-DAG: OpName %[[#Arg:]] "arg"
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; CHECK-DAG: OpName %[[#QArg:]] "qarg"
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; CHECK-DAG: OpName %[[#R:]] "r"
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; CHECK-DAG: OpName %[[#Q:]] "q"
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; CHECK-DAG: OpName %[[#Tr:]] "tr"
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; CHECK-DAG: OpName %[[#Tq:]] "tq"
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; CHECK-DAG: %[[#Struct]] = OpTypeStruct %[[#]] %[[#]] %[[#]]
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; CHECK-DAG: %[[#PtrStruct:]] = OpTypePointer CrossWorkgroup %[[#Struct]]
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; CHECK-EXT-DAG: %[[#Int40:]] = OpTypeInt 40 0
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; CHECK-EXT-DAG: %[[#Int50:]] = OpTypeInt 50 0
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; CHECK-NOEXT-DAG: %[[#Int40:]] = OpTypeInt 64 0
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; CHECK-DAG: %[[#PtrInt40:]] = OpTypePointer CrossWorkgroup %[[#Int40]]
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; CHECK: OpFunction
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; CHECK-EXT: %[[#Tr]] = OpUConvert %[[#Int40]] %[[#R]]
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; CHECK-EXT: %[[#Store:]] = OpInBoundsPtrAccessChain %[[#PtrStruct]] %[[#Arg]] %[[#]]
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; CHECK-EXT: %[[#StoreAsInt40:]] = OpBitcast %[[#PtrInt40]] %[[#Store]]
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; CHECK-EXT: OpStore %[[#StoreAsInt40]] %[[#Tr]]
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; CHECK-NOEXT: %[[#Store:]] = OpInBoundsPtrAccessChain %[[#PtrStruct]] %[[#Arg]] %[[#]]
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; CHECK-NOEXT: %[[#StoreAsInt40:]] = OpBitcast %[[#PtrInt40]] %[[#Store]]
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; CHECK-NOEXT: OpStore %[[#StoreAsInt40]] %[[#R]]
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; CHECK: OpFunction
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; CHECK-EXT: %[[#Tq]] = OpUConvert %[[#Int40]] %[[#Q]]
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; CHECK-EXT: OpStore %[[#QArg]] %[[#Tq]]
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; CHECK-NOEXT: OpStore %[[#QArg]] %[[#Q]]
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%struct = type <{ i32, i8, [3 x i8] }>
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define spir_kernel void @foo(ptr addrspace(1) %arg, i64 %r) {
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%tr = trunc i64 %r to i40
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%addr = getelementptr inbounds %struct, ptr addrspace(1) %arg, i64 0
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store i40 %tr, ptr addrspace(1) %addr
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ret void
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}
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define spir_kernel void @bar(ptr addrspace(1) %qarg, i50 %q) {
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%tq = trunc i50 %q to i40
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store i40 %tq, ptr addrspace(1) %qarg
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ret void
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}
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