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This seems to be causing issues with using overloaded RVV intrinsics that take scalar operands. If the scalar type passed in doesn't exactly match the element type. I blindly copied this feature from SVE. Since no one has asked for it I'd prefer to remove it to make overloaded intrinsics work as expected. By removing the lax conversions, types declared with __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen))) can only ever be used like their underlying RVV builtin type. No lax conversions to other element sizes with the same LMUL. Fixes #64404.
99 lines
5.3 KiB
C
99 lines
5.3 KiB
C
// RUN: %clang_cc1 -triple riscv64-none-linux-gnu -target-feature +f -target-feature +d -target-feature +zve64d -mvscale-min=8 -mvscale-max=8 -flax-vector-conversions=none -ffreestanding -fsyntax-only -verify=lax-vector-none %s
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// RUN: %clang_cc1 -triple riscv64-none-linux-gnu -target-feature +f -target-feature +d -target-feature +zve64d -mvscale-min=8 -mvscale-max=8 -flax-vector-conversions=integer -ffreestanding -fsyntax-only -verify=lax-vector-integer %s
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// RUN: %clang_cc1 -triple riscv64-none-linux-gnu -target-feature +f -target-feature +d -target-feature +zve64d -mvscale-min=8 -mvscale-max=8 -flax-vector-conversions=all -ffreestanding -fsyntax-only -verify=lax-vector-all %s
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// REQUIRES: riscv-registered-target
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#define RVV_FIXED_ATTR __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen)))
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#define GNU_FIXED_ATTR __attribute__((vector_size(__riscv_v_fixed_vlen / 8)))
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typedef __rvv_int8m1_t vint8m1_t;
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typedef __rvv_uint8m1_t vuint8m1_t;
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typedef __rvv_int16m1_t vint16m1_t;
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typedef __rvv_uint16m1_t vuint16m1_t;
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typedef __rvv_int32m1_t vint32m1_t;
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typedef __rvv_uint32m1_t vuint32m1_t;
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typedef __rvv_int64m1_t vint64m1_t;
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typedef __rvv_uint64m1_t vuint64m1_t;
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typedef __rvv_float32m1_t vfloat32m1_t;
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typedef __rvv_float64m1_t vfloat64m1_t;
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typedef __rvv_int64m2_t vint64m2_t;
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typedef vfloat32m1_t rvv_fixed_float32m1_t RVV_FIXED_ATTR;
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typedef vint32m1_t rvv_fixed_int32m1_t RVV_FIXED_ATTR;
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typedef float gnu_fixed_float32m1_t GNU_FIXED_ATTR;
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typedef int gnu_fixed_int32m1_t GNU_FIXED_ATTR;
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void rvv_allowed_with_integer_lax_conversions() {
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rvv_fixed_int32m1_t fi32;
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vint64m1_t si64;
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// The implicit cast here should fail if -flax-vector-conversions=none, but pass if
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// -flax-vector-conversions={integer,all}.
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fi32 = si64;
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// lax-vector-none-error@-1 {{assigning to 'rvv_fixed_int32m1_t' (vector of 16 'int' values) from incompatible type}}
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// lax-vector-integer-error@-2 {{assigning to 'rvv_fixed_int32m1_t' (vector of 16 'int' values) from incompatible type}}
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// lax-vector-all-error@-3 {{assigning to 'rvv_fixed_int32m1_t' (vector of 16 'int' values) from incompatible type}}
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si64 = fi32;
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// lax-vector-none-error@-1 {{assigning to 'vint64m1_t' (aka '__rvv_int64m1_t') from incompatible type}}
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// lax-vector-integer-error@-2 {{assigning to 'vint64m1_t' (aka '__rvv_int64m1_t') from incompatible type}}
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// lax-vector-all-error@-3 {{assigning to 'vint64m1_t' (aka '__rvv_int64m1_t') from incompatible type}}
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}
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void rvv_allowed_with_all_lax_conversions() {
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rvv_fixed_float32m1_t ff32;
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vfloat64m1_t sf64;
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// The implicit cast here should fail if -flax-vector-conversions={none,integer}, but pass if
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// -flax-vector-conversions=all.
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ff32 = sf64;
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// lax-vector-none-error@-1 {{assigning to 'rvv_fixed_float32m1_t' (vector of 16 'float' values) from incompatible type}}
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// lax-vector-integer-error@-2 {{assigning to 'rvv_fixed_float32m1_t' (vector of 16 'float' values) from incompatible type}}
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// lax-vector-all-error@-3 {{assigning to 'rvv_fixed_float32m1_t' (vector of 16 'float' values) from incompatible type}}
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sf64 = ff32;
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// lax-vector-none-error@-1 {{assigning to 'vfloat64m1_t' (aka '__rvv_float64m1_t') from incompatible type}}
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// lax-vector-integer-error@-2 {{assigning to 'vfloat64m1_t' (aka '__rvv_float64m1_t') from incompatible type}}
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// lax-vector-all-error@-3 {{assigning to 'vfloat64m1_t' (aka '__rvv_float64m1_t') from incompatible type}}
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}
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void gnu_allowed_with_integer_lax_conversions() {
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gnu_fixed_int32m1_t fi32;
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vint64m1_t si64;
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// The implicit cast here should fail if -flax-vector-conversions=none, but pass if
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// -flax-vector-conversions={integer,all}.
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fi32 = si64;
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// lax-vector-none-error@-1 {{assigning to 'gnu_fixed_int32m1_t' (vector of 16 'int' values) from incompatible type}}
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si64 = fi32;
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// lax-vector-none-error@-1 {{assigning to 'vint64m1_t' (aka '__rvv_int64m1_t') from incompatible type}}
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}
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void gnu_allowed_with_all_lax_conversions() {
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gnu_fixed_float32m1_t ff32;
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vfloat64m1_t sf64;
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// The implicit cast here should fail if -flax-vector-conversions={none,integer}, but pass if
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// -flax-vector-conversions=all.
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ff32 = sf64;
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// lax-vector-none-error@-1 {{assigning to 'gnu_fixed_float32m1_t' (vector of 16 'float' values) from incompatible type}}
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// lax-vector-integer-error@-2 {{assigning to 'gnu_fixed_float32m1_t' (vector of 16 'float' values) from incompatible type}}
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sf64 = ff32;
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// lax-vector-none-error@-1 {{assigning to 'vfloat64m1_t' (aka '__rvv_float64m1_t') from incompatible type}}
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// lax-vector-integer-error@-2 {{assigning to 'vfloat64m1_t' (aka '__rvv_float64m1_t') from incompatible type}}
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}
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void not_allowed() {
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rvv_fixed_int32m1_t fi32m1;
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vint64m2_t si64m2;
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fi32m1 = si64m2;
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// lax-vector-none-error@-1 {{assigning to 'rvv_fixed_int32m1_t' (vector of 16 'int' values) from incompatible type}}
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// lax-vector-integer-error@-2 {{assigning to 'rvv_fixed_int32m1_t' (vector of 16 'int' values) from incompatible type}}
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// lax-vector-all-error@-3 {{assigning to 'rvv_fixed_int32m1_t' (vector of 16 'int' values) from incompatible type}}
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si64m2 = fi32m1;
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// lax-vector-none-error@-1 {{assigning to 'vint64m2_t' (aka '__rvv_int64m2_t') from incompatible type}}
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// lax-vector-integer-error@-2 {{assigning to 'vint64m2_t' (aka '__rvv_int64m2_t') from incompatible type}}
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// lax-vector-all-error@-3 {{assigning to 'vint64m2_t' (aka '__rvv_int64m2_t') from incompatible type}}
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}
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