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[Backport to 15] Add fast math flag translation for OpenCL std lib
Such possibility was added in SPIR-V 1.6. Note, this backport doesn't add handling of nofpclass attribute, as it doesn't present in LLVM yet. Signed-off-by: Sidorov, Dmitry <dmitry.sidorov@intel.com>
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; RUN: llvm-as %s -o %t.bc | ||
; RUN: llvm-spirv -spirv-text %t.bc -o - | FileCheck %s --check-prefix=CHECK-SPIRV | ||
; RUN: llvm-spirv %t.bc -o %t.spv | ||
; RUN: spirv-val %t.spv | ||
; RUN: llvm-spirv -r %t.spv -o - | llvm-dis -o - | FileCheck %s --check-prefix=CHECK-LLVM-OCL | ||
; RUN: llvm-spirv -r --spirv-target-env=SPV-IR %t.spv -o - | llvm-dis -o - | FileCheck %s --check-prefix=CHECK-LLVM-SPV | ||
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; RUN: llvm-spirv -spirv-text --spirv-max-version=1.5 %t.bc -o - | FileCheck %s --check-prefix=CHECK-SPIRV-NEG | ||
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; CHECK-SPIRV: Decorate [[#FPDec4:]] FPFastMathMode 16 | ||
; CHECK-SPIRV: ExtInst [[#]] [[#FPDec4]] [[#]] fmax [[#]] [[#]] | ||
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; CHECK-SPIRV-NEG-NOT: Decorate [[#]] FPFastMathMode [[#]] | ||
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; CHECK-LLVM-OCL: call fast spir_func float @_Z4fmaxff(float %[[#]], float %[[#]]) | ||
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; CHECK-LLVM-SPV: call fast spir_func float @_Z16__spirv_ocl_fmaxff(float %[[#]], float %[[#]]) | ||
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; ModuleID = 'test.bc' | ||
source_filename = "test.cpp" | ||
target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-n8:16:32:64" | ||
target triple = "spir64-unknown-unknown" | ||
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@__spirv_BuiltInGlobalInvocationId = external dso_local local_unnamed_addr addrspace(1) constant <3 x i64>, align 32 | ||
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declare dso_local spir_func noundef float @_Z16__spirv_ocl_fmaxff(float noundef, float noundef) local_unnamed_addr | ||
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define weak_odr dso_local spir_kernel void @nofpclass_fast(ptr addrspace(1) noundef align 4 %_arg_data, ptr addrspace(1) noundef align 4 %_arg_dat1, ptr addrspace(1) noundef align 4 %_arg_dat2) local_unnamed_addr { | ||
entry: | ||
%0 = load i64, ptr addrspace(1) @__spirv_BuiltInGlobalInvocationId, align 32 | ||
%arrayidx.i = getelementptr inbounds float, ptr addrspace(1) %_arg_data, i64 %0 | ||
%arrayidx3.i = getelementptr inbounds float, ptr addrspace(1) %_arg_dat1, i64 %0 | ||
%cmp.i = icmp ult i64 %0, 2147483648 | ||
%arrayidx5.i = getelementptr inbounds float, ptr addrspace(1) %_arg_dat2, i64 %0 | ||
%1 = load float, ptr addrspace(1) %arrayidx3.i, align 4 | ||
%2 = load float, ptr addrspace(1) %arrayidx5.i, align 4 | ||
%call.i.i = tail call fast spir_func noundef float @_Z16__spirv_ocl_fmaxff(float noundef %1, float noundef %2) | ||
store float %call.i.i, ptr addrspace(1) %arrayidx.i, align 4 | ||
ret void | ||
} |