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f28e52274c
- Use `poison` instead of `undef` as a phi operand for an unreachable path (the predecessor will not go the BB that uses the value of the phi). - Call `@llvm.vector.insert` with a `poison` subvec when performing a `bitcast` from a fixed vector to a scalable vector.
233 lines
12 KiB
C
233 lines
12 KiB
C
// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
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// RUN: %clang_cc1 -triple riscv64-none-linux-gnu -target-feature +f -target-feature +d -target-feature +zve64d -mvscale-min=1 -mvscale-max=1 -O1 -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-64
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// RUN: %clang_cc1 -triple riscv64-none-linux-gnu -target-feature +f -target-feature +d -target-feature +zve64d -mvscale-min=2 -mvscale-max=2 -O1 -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-128
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// RUN: %clang_cc1 -triple riscv64-none-linux-gnu -target-feature +f -target-feature +d -target-feature +zve64d -mvscale-min=4 -mvscale-max=4 -O1 -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-256
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// REQUIRES: riscv-registered-target
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#include <stdint.h>
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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_bool1_t vbool1_t;
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typedef __rvv_bool2_t vbool2_t;
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typedef __rvv_bool4_t vbool4_t;
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typedef __rvv_bool8_t vbool8_t;
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typedef __rvv_bool16_t vbool16_t;
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typedef __rvv_bool32_t vbool32_t;
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typedef __rvv_bool64_t vbool64_t;
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typedef vint64m1_t fixed_int64m1_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen)));
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typedef vfloat64m1_t fixed_float64m1_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen)));
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typedef vbool1_t fixed_bool1_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen)));
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typedef vbool2_t fixed_bool2_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen / 2)));
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typedef vbool4_t fixed_bool4_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen / 4)));
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typedef vbool8_t fixed_bool8_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen / 8)));
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#if __riscv_v_fixed_vlen >= 128
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typedef vbool16_t fixed_bool16_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen / 16)));
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#endif
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#if __riscv_v_fixed_vlen >= 256
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typedef vbool32_t fixed_bool32_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen / 32)));
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#endif
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#if __riscv_v_fixed_vlen >= 512
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typedef vbool64_t fixed_bool64_t __attribute__((riscv_rvv_vector_bits(__riscv_v_fixed_vlen / 64)));
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#endif
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#define DEFINE_STRUCT(ty) \
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struct struct_##ty { \
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fixed_##ty##_t x, y[3]; \
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} struct_##ty;
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DEFINE_STRUCT(int64m1)
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DEFINE_STRUCT(float64m1)
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DEFINE_STRUCT(bool1)
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DEFINE_STRUCT(bool2)
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DEFINE_STRUCT(bool4)
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DEFINE_STRUCT(bool8)
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#if __riscv_v_fixed_vlen >= 128
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DEFINE_STRUCT(bool16)
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#endif
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#if __riscv_v_fixed_vlen >= 256
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DEFINE_STRUCT(bool32)
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#endif
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#if __riscv_v_fixed_vlen >= 512
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DEFINE_STRUCT(bool64)
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#endif
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//===----------------------------------------------------------------------===//
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// int64
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//===----------------------------------------------------------------------===//
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// CHECK-64-LABEL: @read_int64m1(
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// CHECK-64-NEXT: entry:
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// CHECK-64-NEXT: [[Y:%.*]] = getelementptr inbounds nuw i8, ptr [[S:%.*]], i64 8
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// CHECK-64-NEXT: [[TMP0:%.*]] = load <1 x i64>, ptr [[Y]], align 8, !tbaa [[TBAA6:![0-9]+]]
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// CHECK-64-NEXT: [[CAST_SCALABLE:%.*]] = tail call <vscale x 1 x i64> @llvm.vector.insert.nxv1i64.v1i64(<vscale x 1 x i64> poison, <1 x i64> [[TMP0]], i64 0)
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// CHECK-64-NEXT: ret <vscale x 1 x i64> [[CAST_SCALABLE]]
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//
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// CHECK-128-LABEL: @read_int64m1(
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// CHECK-128-NEXT: entry:
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// CHECK-128-NEXT: [[Y:%.*]] = getelementptr inbounds nuw i8, ptr [[S:%.*]], i64 16
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// CHECK-128-NEXT: [[TMP0:%.*]] = load <2 x i64>, ptr [[Y]], align 8, !tbaa [[TBAA6:![0-9]+]]
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// CHECK-128-NEXT: [[CAST_SCALABLE:%.*]] = tail call <vscale x 1 x i64> @llvm.vector.insert.nxv1i64.v2i64(<vscale x 1 x i64> poison, <2 x i64> [[TMP0]], i64 0)
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// CHECK-128-NEXT: ret <vscale x 1 x i64> [[CAST_SCALABLE]]
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//
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// CHECK-256-LABEL: @read_int64m1(
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// CHECK-256-NEXT: entry:
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// CHECK-256-NEXT: [[Y:%.*]] = getelementptr inbounds nuw i8, ptr [[S:%.*]], i64 32
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// CHECK-256-NEXT: [[TMP0:%.*]] = load <4 x i64>, ptr [[Y]], align 8, !tbaa [[TBAA6:![0-9]+]]
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// CHECK-256-NEXT: [[CAST_SCALABLE:%.*]] = tail call <vscale x 1 x i64> @llvm.vector.insert.nxv1i64.v4i64(<vscale x 1 x i64> poison, <4 x i64> [[TMP0]], i64 0)
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// CHECK-256-NEXT: ret <vscale x 1 x i64> [[CAST_SCALABLE]]
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//
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vint64m1_t read_int64m1(struct struct_int64m1 *s) {
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return s->y[0];
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}
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// CHECK-64-LABEL: @write_int64m1(
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// CHECK-64-NEXT: entry:
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// CHECK-64-NEXT: [[CAST_FIXED:%.*]] = tail call <1 x i64> @llvm.vector.extract.v1i64.nxv1i64(<vscale x 1 x i64> [[X:%.*]], i64 0)
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// CHECK-64-NEXT: [[Y:%.*]] = getelementptr inbounds nuw i8, ptr [[S:%.*]], i64 8
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// CHECK-64-NEXT: store <1 x i64> [[CAST_FIXED]], ptr [[Y]], align 8, !tbaa [[TBAA6]]
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// CHECK-64-NEXT: ret void
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//
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// CHECK-128-LABEL: @write_int64m1(
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// CHECK-128-NEXT: entry:
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// CHECK-128-NEXT: [[CAST_FIXED:%.*]] = tail call <2 x i64> @llvm.vector.extract.v2i64.nxv1i64(<vscale x 1 x i64> [[X:%.*]], i64 0)
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// CHECK-128-NEXT: [[Y:%.*]] = getelementptr inbounds nuw i8, ptr [[S:%.*]], i64 16
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// CHECK-128-NEXT: store <2 x i64> [[CAST_FIXED]], ptr [[Y]], align 8, !tbaa [[TBAA6]]
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// CHECK-128-NEXT: ret void
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//
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// CHECK-256-LABEL: @write_int64m1(
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// CHECK-256-NEXT: entry:
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// CHECK-256-NEXT: [[CAST_FIXED:%.*]] = tail call <4 x i64> @llvm.vector.extract.v4i64.nxv1i64(<vscale x 1 x i64> [[X:%.*]], i64 0)
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// CHECK-256-NEXT: [[Y:%.*]] = getelementptr inbounds nuw i8, ptr [[S:%.*]], i64 32
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// CHECK-256-NEXT: store <4 x i64> [[CAST_FIXED]], ptr [[Y]], align 8, !tbaa [[TBAA6]]
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// CHECK-256-NEXT: ret void
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//
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void write_int64m1(struct struct_int64m1 *s, vint64m1_t x) {
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s->y[0] = x;
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}
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//===----------------------------------------------------------------------===//
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// float64
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//===----------------------------------------------------------------------===//
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// CHECK-64-LABEL: @read_float64m1(
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// CHECK-64-NEXT: entry:
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// CHECK-64-NEXT: [[Y:%.*]] = getelementptr inbounds nuw i8, ptr [[S:%.*]], i64 8
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// CHECK-64-NEXT: [[TMP0:%.*]] = load <1 x double>, ptr [[Y]], align 8, !tbaa [[TBAA6]]
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// CHECK-64-NEXT: [[CAST_SCALABLE:%.*]] = tail call <vscale x 1 x double> @llvm.vector.insert.nxv1f64.v1f64(<vscale x 1 x double> poison, <1 x double> [[TMP0]], i64 0)
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// CHECK-64-NEXT: ret <vscale x 1 x double> [[CAST_SCALABLE]]
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//
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// CHECK-128-LABEL: @read_float64m1(
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// CHECK-128-NEXT: entry:
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// CHECK-128-NEXT: [[Y:%.*]] = getelementptr inbounds nuw i8, ptr [[S:%.*]], i64 16
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// CHECK-128-NEXT: [[TMP0:%.*]] = load <2 x double>, ptr [[Y]], align 8, !tbaa [[TBAA6]]
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// CHECK-128-NEXT: [[CAST_SCALABLE:%.*]] = tail call <vscale x 1 x double> @llvm.vector.insert.nxv1f64.v2f64(<vscale x 1 x double> poison, <2 x double> [[TMP0]], i64 0)
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// CHECK-128-NEXT: ret <vscale x 1 x double> [[CAST_SCALABLE]]
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//
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// CHECK-256-LABEL: @read_float64m1(
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// CHECK-256-NEXT: entry:
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// CHECK-256-NEXT: [[Y:%.*]] = getelementptr inbounds nuw i8, ptr [[S:%.*]], i64 32
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// CHECK-256-NEXT: [[TMP0:%.*]] = load <4 x double>, ptr [[Y]], align 8, !tbaa [[TBAA6]]
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// CHECK-256-NEXT: [[CAST_SCALABLE:%.*]] = tail call <vscale x 1 x double> @llvm.vector.insert.nxv1f64.v4f64(<vscale x 1 x double> poison, <4 x double> [[TMP0]], i64 0)
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// CHECK-256-NEXT: ret <vscale x 1 x double> [[CAST_SCALABLE]]
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//
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vfloat64m1_t read_float64m1(struct struct_float64m1 *s) {
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return s->y[0];
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}
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// CHECK-64-LABEL: @write_float64m1(
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// CHECK-64-NEXT: entry:
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// CHECK-64-NEXT: [[CAST_FIXED:%.*]] = tail call <1 x double> @llvm.vector.extract.v1f64.nxv1f64(<vscale x 1 x double> [[X:%.*]], i64 0)
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// CHECK-64-NEXT: [[Y:%.*]] = getelementptr inbounds nuw i8, ptr [[S:%.*]], i64 8
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// CHECK-64-NEXT: store <1 x double> [[CAST_FIXED]], ptr [[Y]], align 8, !tbaa [[TBAA6]]
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// CHECK-64-NEXT: ret void
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//
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// CHECK-128-LABEL: @write_float64m1(
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// CHECK-128-NEXT: entry:
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// CHECK-128-NEXT: [[CAST_FIXED:%.*]] = tail call <2 x double> @llvm.vector.extract.v2f64.nxv1f64(<vscale x 1 x double> [[X:%.*]], i64 0)
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// CHECK-128-NEXT: [[Y:%.*]] = getelementptr inbounds nuw i8, ptr [[S:%.*]], i64 16
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// CHECK-128-NEXT: store <2 x double> [[CAST_FIXED]], ptr [[Y]], align 8, !tbaa [[TBAA6]]
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// CHECK-128-NEXT: ret void
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//
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// CHECK-256-LABEL: @write_float64m1(
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// CHECK-256-NEXT: entry:
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// CHECK-256-NEXT: [[CAST_FIXED:%.*]] = tail call <4 x double> @llvm.vector.extract.v4f64.nxv1f64(<vscale x 1 x double> [[X:%.*]], i64 0)
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// CHECK-256-NEXT: [[Y:%.*]] = getelementptr inbounds nuw i8, ptr [[S:%.*]], i64 32
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// CHECK-256-NEXT: store <4 x double> [[CAST_FIXED]], ptr [[Y]], align 8, !tbaa [[TBAA6]]
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// CHECK-256-NEXT: ret void
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//
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void write_float64m1(struct struct_float64m1 *s, vfloat64m1_t x) {
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s->y[0] = x;
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}
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//===----------------------------------------------------------------------===//
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// bool
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//===----------------------------------------------------------------------===//
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// CHECK-64-LABEL: @read_bool1(
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// CHECK-64-NEXT: entry:
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// CHECK-64-NEXT: [[Y:%.*]] = getelementptr inbounds nuw i8, ptr [[S:%.*]], i64 8
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// CHECK-64-NEXT: [[TMP0:%.*]] = load <8 x i8>, ptr [[Y]], align 8, !tbaa [[TBAA6]]
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// CHECK-64-NEXT: [[CAST_SCALABLE:%.*]] = tail call <vscale x 8 x i8> @llvm.vector.insert.nxv8i8.v8i8(<vscale x 8 x i8> poison, <8 x i8> [[TMP0]], i64 0)
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// CHECK-64-NEXT: [[TMP1:%.*]] = bitcast <vscale x 8 x i8> [[CAST_SCALABLE]] to <vscale x 64 x i1>
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// CHECK-64-NEXT: ret <vscale x 64 x i1> [[TMP1]]
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//
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// CHECK-128-LABEL: @read_bool1(
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// CHECK-128-NEXT: entry:
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// CHECK-128-NEXT: [[Y:%.*]] = getelementptr inbounds nuw i8, ptr [[S:%.*]], i64 16
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// CHECK-128-NEXT: [[TMP0:%.*]] = load <16 x i8>, ptr [[Y]], align 8, !tbaa [[TBAA6]]
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// CHECK-128-NEXT: [[CAST_SCALABLE:%.*]] = tail call <vscale x 8 x i8> @llvm.vector.insert.nxv8i8.v16i8(<vscale x 8 x i8> poison, <16 x i8> [[TMP0]], i64 0)
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// CHECK-128-NEXT: [[TMP1:%.*]] = bitcast <vscale x 8 x i8> [[CAST_SCALABLE]] to <vscale x 64 x i1>
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// CHECK-128-NEXT: ret <vscale x 64 x i1> [[TMP1]]
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//
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// CHECK-256-LABEL: @read_bool1(
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// CHECK-256-NEXT: entry:
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// CHECK-256-NEXT: [[Y:%.*]] = getelementptr inbounds nuw i8, ptr [[S:%.*]], i64 32
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// CHECK-256-NEXT: [[TMP0:%.*]] = load <32 x i8>, ptr [[Y]], align 8, !tbaa [[TBAA6]]
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// CHECK-256-NEXT: [[CAST_SCALABLE:%.*]] = tail call <vscale x 8 x i8> @llvm.vector.insert.nxv8i8.v32i8(<vscale x 8 x i8> poison, <32 x i8> [[TMP0]], i64 0)
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// CHECK-256-NEXT: [[TMP1:%.*]] = bitcast <vscale x 8 x i8> [[CAST_SCALABLE]] to <vscale x 64 x i1>
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// CHECK-256-NEXT: ret <vscale x 64 x i1> [[TMP1]]
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//
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vbool1_t read_bool1(struct struct_bool1 *s) {
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return s->y[0];
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}
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// CHECK-64-LABEL: @write_bool1(
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// CHECK-64-NEXT: entry:
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// CHECK-64-NEXT: [[TMP0:%.*]] = bitcast <vscale x 64 x i1> [[X:%.*]] to <vscale x 8 x i8>
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// CHECK-64-NEXT: [[CAST_FIXED:%.*]] = tail call <8 x i8> @llvm.vector.extract.v8i8.nxv8i8(<vscale x 8 x i8> [[TMP0]], i64 0)
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// CHECK-64-NEXT: [[Y:%.*]] = getelementptr inbounds nuw i8, ptr [[S:%.*]], i64 8
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// CHECK-64-NEXT: store <8 x i8> [[CAST_FIXED]], ptr [[Y]], align 8, !tbaa [[TBAA6]]
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// CHECK-64-NEXT: ret void
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//
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// CHECK-128-LABEL: @write_bool1(
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// CHECK-128-NEXT: entry:
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// CHECK-128-NEXT: [[TMP0:%.*]] = bitcast <vscale x 64 x i1> [[X:%.*]] to <vscale x 8 x i8>
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// CHECK-128-NEXT: [[CAST_FIXED:%.*]] = tail call <16 x i8> @llvm.vector.extract.v16i8.nxv8i8(<vscale x 8 x i8> [[TMP0]], i64 0)
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// CHECK-128-NEXT: [[Y:%.*]] = getelementptr inbounds nuw i8, ptr [[S:%.*]], i64 16
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// CHECK-128-NEXT: store <16 x i8> [[CAST_FIXED]], ptr [[Y]], align 8, !tbaa [[TBAA6]]
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// CHECK-128-NEXT: ret void
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//
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// CHECK-256-LABEL: @write_bool1(
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// CHECK-256-NEXT: entry:
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// CHECK-256-NEXT: [[TMP0:%.*]] = bitcast <vscale x 64 x i1> [[X:%.*]] to <vscale x 8 x i8>
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// CHECK-256-NEXT: [[CAST_FIXED:%.*]] = tail call <32 x i8> @llvm.vector.extract.v32i8.nxv8i8(<vscale x 8 x i8> [[TMP0]], i64 0)
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// CHECK-256-NEXT: [[Y:%.*]] = getelementptr inbounds nuw i8, ptr [[S:%.*]], i64 32
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// CHECK-256-NEXT: store <32 x i8> [[CAST_FIXED]], ptr [[Y]], align 8, !tbaa [[TBAA6]]
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// CHECK-256-NEXT: ret void
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//
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void write_bool1(struct struct_bool1 *s, vbool1_t x) {
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s->y[0] = x;
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}
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