derek.holloway
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85 lines
3.3 KiB
LLVM
85 lines
3.3 KiB
LLVM
; This test checks that functions with `convert_` prefix are translated as
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; OpenCL builtins only in case they match the specification. Otherwise, we
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; expect such functions to be translated to SPIR-V FunctionCall.
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; RUN: llvm-spirv %s -o %t.spv
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; TODO: re-enable validation
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; RUNx: spirv-val %t.spv
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; RUN: llvm-spirv %t.spv -to-text -o %t.spt
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; RUN: FileCheck < %t.spt %s -check-prefix=CHECK-SPIRV
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; RUN: llvm-spirv %t.spv -r -o - | llvm-dis -o %t.rev.ll
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; RUN: FileCheck < %t.rev.ll %s -check-prefix=CHECK-LLVM
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; CHECK-SPIRV: Name [[#Func:]] "_Z18convert_float_func"
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; CHECK-SPIRV: Name [[#Func1:]] "_Z20convert_uint_satfunc"
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; CHECK-SPIRV: Name [[#Func2:]] "_Z21convert_float_rtzfunc"
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; CHECK-SPIRV-DAG: TypeVoid [[#VoidTy:]]
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; CHECK-SPIRV-DAG: TypeInt [[#CharTy:]] 8
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; CHECK-SPIRV-DAG: TypeFloat [[#FloatTy:]] 32
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; CHECK-SPIRV: Function [[#VoidTy]] [[#Func]]
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; CHECK-SPIRV: SConvert [[#CharTy]] [[#ConvertId:]] [[#]]
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; CHECK-SPIRV: ConvertSToF [[#FloatTy]] [[#ConvertId:]] [[#]]
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; CHECK-SPIRV: FunctionCall [[#VoidTy]] [[#]] [[#Func]] [[#ConvertId]]
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; CHECK-SPIRV: FunctionCall [[#VoidTy]] [[#]] [[#Func1]] [[#]]
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; CHECK-SPIRV: FunctionCall [[#VoidTy]] [[#]] [[#Func2]] [[#ConvertId]]
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; CHECK-SPIRV-NOT: FConvert
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; CHECK-SPIRV-NOT: ConvertUToF
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target datalayout = "e-p:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-n8:16:32:64"
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target triple = "spir"
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; Function Attrs: convergent noinline norecurse nounwind optnone
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define dso_local spir_func void @_Z18convert_float_func(float noundef %x) #0 {
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entry:
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%x.addr = alloca float, align 4
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store float %x, ptr %x.addr, align 4
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ret void
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}
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define dso_local spir_func void @_Z20convert_uint_satfunc(i32 noundef %x) #0 {
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entry:
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ret void
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}
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define dso_local spir_func void @_Z21convert_float_rtzfunc(float noundef %x) #0 {
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entry:
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ret void
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}
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; Function Attrs: convergent noinline norecurse nounwind optnone
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define dso_local spir_func void @convert_int_bf16(i32 noundef %x) #0 {
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entry:
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%x.addr = alloca i32, align 4
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store i32 %x, ptr %x.addr, align 4
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%0 = load i32, ptr %x.addr, align 4
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; We don't get the convert_char_rtei back, but that's fine because they are
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; functionally equivalent anyway. The rounding information is lost when
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; translating to SPIR-V.
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; CHECK-LLVM: call spir_func i8 @_Z12convert_chari(i32 %[[#]])
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call spir_func signext i8 @_Z16convert_char_rtei(i32 noundef %0) #1
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; CHECK-LLVM: %[[Call:[a-z]+]] = sitofp i32 %[[#]] to float
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; CHECK-LLVM: call spir_func void @_Z18convert_float_func(float %[[Call]])
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; CHECK-LLVM: call spir_func void @_Z20convert_uint_satfunc(i32 %[[#]])
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; CHECK-LLVM: call spir_func void @_Z21convert_float_rtzfunc(float %[[Call]])
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%call = call spir_func float @_Z13convert_floati(i32 noundef %0) #1
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call spir_func void @_Z18convert_float_func(float noundef %call) #0
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call spir_func void @_Z20convert_uint_satfunc(i32 noundef %0) #0
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call spir_func void @_Z21convert_float_rtzfunc(float noundef %call) #0
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ret void
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}
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; Function Attrs: convergent nounwind willreturn memory(none)
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declare spir_func signext i8 @_Z16convert_char_rtei(i32 noundef) #1
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; Function Attrs: convergent nounwind willreturn memory(none)
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declare spir_func float @_Z13convert_floati(i32 noundef) #1
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attributes #0 = { convergent nounwind }
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attributes #1 = { convergent nounwind willreturn memory(none) }
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!opencl.ocl.version = !{!0}
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!opencl.spir.version = !{!0}
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!0 = !{i32 3, i32 0}
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