An ICE bug reported in https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1071140. https://godbolt.org/z/WE9aGYvoo
Return NULL_TREE when TREE_CODE(op) not equal to SSA_NAME. gcc/ChangeLog: * tree-ssa-pre.cc (find_or_generate_expression): Remove assert. gcc/testsuite/ChangeLog: * gcc.target/riscv/rvv/vsetvl/pr1071140.c: New test. --- .../gcc.target/riscv/rvv/vsetvl/pr1071140.c | 52 +++++++++++++++++++ gcc/tree-ssa-pre.cc | 4 +- 2 files changed, 55 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.target/riscv/rvv/vsetvl/pr1071140.c diff --git a/gcc/testsuite/gcc.target/riscv/rvv/vsetvl/pr1071140.c b/gcc/testsuite/gcc.target/riscv/rvv/vsetvl/pr1071140.c new file mode 100644 index 00000000000..4f0815e099f --- /dev/null +++ b/gcc/testsuite/gcc.target/riscv/rvv/vsetvl/pr1071140.c @@ -0,0 +1,52 @@ +/* { dg-do compile } */ +/* { dg-options "-mrvv-vector-bits=scalable -march=rv64gcv -mabi=lp64d -O3 -w" } */ + +#include <riscv_vector.h> + +static inline __attribute__(()) int vaddq_f32(); +static inline __attribute__(()) int vload_tillz_f32(int nlane) { + vint32m1_t __trans_tmp_9; + { + int __trans_tmp_0 = nlane; + { + vint64m1_t __trans_tmp_1; + vint64m1_t __trans_tmp_2; + vint64m1_t __trans_tmp_3; + vint64m1_t __trans_tmp_4; + if (__trans_tmp_0 == 1) { + { + __trans_tmp_3 = + __riscv_vslideup_vx_i64m1(__trans_tmp_1, __trans_tmp_2, 1, 2); + } + __trans_tmp_4 = __trans_tmp_2; + } + __trans_tmp_4 = __trans_tmp_3; + __trans_tmp_9 = __riscv_vreinterpret_v_i64m1_i32m1(__trans_tmp_3); + } + } + return vaddq_f32(__trans_tmp_9); /* { dg-error {RVV type 'vint32m1_t' cannot be passed to an unprototyped function} } */ +} + +char CFLOAT_add_args[3]; +const int *CFLOAT_add_steps; +const int CFLOAT_steps; + +__attribute__(()) void CFLOAT_add() { + char *b_src0 = &CFLOAT_add_args[0], *b_src1 = &CFLOAT_add_args[1], + *b_dst = &CFLOAT_add_args[2]; + const float *src1 = (float *)b_src1; + float *dst = (float *)b_dst; + const int ssrc1 = CFLOAT_add_steps[1] / sizeof(float); + const int sdst = CFLOAT_add_steps[2] / sizeof(float); + const int hstep = 4 / 2; + vfloat32m1x2_t a; + int len = 255; + for (; len > 0; len -= hstep, src1 += 4, dst += 4) { + int b = vload_tillz_f32(len); + int r = vaddq_f32(a.__val[0], b); /* { dg-error {RVV type '__rvv_float32m1_t' cannot be passed to an unprototyped function} } */ + } + for (; len > 0; --len, b_src0 += CFLOAT_steps, + b_src1 += CFLOAT_add_steps[1], b_dst += CFLOAT_add_steps[2]) + ; +} + diff --git a/gcc/tree-ssa-pre.cc b/gcc/tree-ssa-pre.cc index 75217f5cde1..e3d9c47f96b 100644 --- a/gcc/tree-ssa-pre.cc +++ b/gcc/tree-ssa-pre.cc @@ -2777,7 +2777,9 @@ find_or_generate_expression (basic_block block, tree op, gimple_seq *stmts) if (is_gimple_min_invariant (op)) return op; - gcc_assert (TREE_CODE (op) == SSA_NAME); + if (TREE_CODE (op) != SSA_NAME) + return NULL_TREE; + vn_ssa_aux_t info = VN_INFO (op); unsigned int lookfor = info->value_id; if (value_id_constant_p (lookfor)) -- 2.25.1