8f9ee39c58
This change implements #70074 - `hlsl_intrinsics.h` - add the `rsqrt` api - `DXIL.td` add the llvm intrinsic to DXIL op lowering map. - `Builtins.td` - add an hlsl builtin for rsqrt. - `CGBuiltin.cpp` add the ir generation for the rsqrt intrinsic. - `SemaChecking.cpp` - reuse the one arg float only checks. - `IntrinsicsDirectX.td` -add an `rsqrt` intrinsic.
15 lines
470 B
LLVM
15 lines
470 B
LLVM
; RUN: not opt -S -dxil-op-lower %s 2>&1 | FileCheck %s
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; DXIL operation rsqrt does not support double overload type
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; CHECK: LLVM ERROR: Invalid Overload Type
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; Function Attrs: noinline nounwind optnone
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define noundef double @rsqrt_double(double noundef %a) #0 {
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entry:
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%a.addr = alloca double, align 8
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store double %a, ptr %a.addr, align 8
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%0 = load double, ptr %a.addr, align 8
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%dx.rsqrt = call double @llvm.dx.rsqrt.f64(double %0)
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ret double %dx.rsqrt
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}
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