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Improve panic/unreachable/unimplemented usage. Refactor a little.

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This commit is contained in:
Nick Lewycky
2019-07-22 12:15:56 -07:00
parent 4535274cf3
commit 18307bb79c
7 changed files with 21 additions and 35 deletions
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31
lib/llvm-backend/src/code.rs
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@ -111,12 +111,11 @@ fn trunc_sat(
// int_min or int_max.
let is_signed = int_min_value != 0;
let ivec_element_ty = ivec_ty.get_element_type().into_int_type();
let int_min_value = splat_vector(
builder,
intrinsics,
ivec_ty
.get_element_type()
.into_int_type()
ivec_element_ty
.const_int(int_min_value, is_signed)
.as_basic_value_enum(),
ivec_ty,
@ -125,9 +124,7 @@ fn trunc_sat(
let int_max_value = splat_vector(
builder,
intrinsics,
ivec_ty
.get_element_type()
.into_int_type()
ivec_element_ty
.const_int(int_max_value, is_signed)
.as_basic_value_enum(),
ivec_ty,
@ -135,38 +132,26 @@ fn trunc_sat(
);
let lower_bound = if is_signed {
builder.build_signed_int_to_float(
ivec_ty
.get_element_type()
.into_int_type()
.const_int(lower_bound, is_signed),
ivec_element_ty.const_int(lower_bound, is_signed),
fvec_ty.get_element_type().into_float_type(),
"",
)
} else {
builder.build_unsigned_int_to_float(
ivec_ty
.get_element_type()
.into_int_type()
.const_int(lower_bound, is_signed),
ivec_element_ty.const_int(lower_bound, is_signed),
fvec_ty.get_element_type().into_float_type(),
"",
)
};
let upper_bound = if is_signed {
builder.build_signed_int_to_float(
ivec_ty
.get_element_type()
.into_int_type()
.const_int(upper_bound, is_signed),
ivec_element_ty.const_int(upper_bound, is_signed),
fvec_ty.get_element_type().into_float_type(),
"",
)
} else {
builder.build_unsigned_int_to_float(
ivec_ty
.get_element_type()
.into_int_type()
.const_int(upper_bound, is_signed),
ivec_element_ty.const_int(upper_bound, is_signed),
fvec_ty.get_element_type().into_float_type(),
"",
)
@ -3948,7 +3933,7 @@ impl FunctionCodeGenerator<CodegenError> for LLVMFunctionCodeGenerator {
Operator::I16x8AllTrue => intrinsics.i16x8_ty,
Operator::I32x4AllTrue => intrinsics.i32x4_ty,
Operator::I64x2AllTrue => intrinsics.i64x2_ty,
_ => panic!(),
_ => unreachable!(),
};
let v = state.pop1()?.into_int_value();
let lane_int_ty = context.custom_width_int_type(vec_ty.get_size());