fallback: legalize: G_INTRINSIC_W_SIDE_EFFECTS p0,s64,s8,s16,s32
| Run: | main-04ca53e65f-20261014-113325 |
| Kind: | fallback |
| Category: | legalize: G_INTRINSIC_W_SIDE_EFFECTS p0,s64,s8,s16,s32 |
| Occurrences: | 2 in 1 configs, 1 test files |
| Snippet from: | rv64-stackmap.ll @liveArgs via llvm-extract |
| Config: | -mtriple=riscv64 |
| Local check: | reproduces at 04ca53e65f |
| Compiler Explorer: | not uploaded (over --godbolt-limit or disabled) |
Snippet:
define void @liveArgs(i64 %arg0, i64 %arg1, i64 %arg2, i64 %arg3, i64 %arg4, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16, i64 %l17, i64 %l18, i64 %l19, i64 %l20, i64 %l21, i64 %l22, i64 %l23, i64 %l24, i8 %l25, i16 zeroext %l26, i32 signext %l27) {
entry:
call void (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.void(i64 11, i32 28, ptr null, i32 5, i64 %arg0, i64 %arg1, i64 %arg2, i64 %arg3, i64 %arg4, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16, i64 %l17, i64 %l18, i64 %l19, i64 %l20, i64 %l21, i64 %l22, i64 %l23, i64 %l24, i8 %l25, i16 %l26, i32 %l27)
ret void
}
declare void @llvm.experimental.patchpoint.void(i64 immarg, i32 immarg, ptr, i32 immarg, ...)
Reproduce:
llc -mtriple=riscv64 -global-isel -global-isel-abort=2 -pass-remarks-missed=gisel.* snippet.ll -o -
llc -mtriple=riscv64 -global-isel=0 snippet.ll -o -
Local llc output:
remark: <unknown>:0:0: unable to legalize instruction: G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.experimental.patchpoint.void), 11, 28, %63:_(p0), 5, %0:_(s64), %1:_(s64), %2:_(s64), %3:_(s64), %4:_(s64), %5:_(s64), %6:_(s64), %7:_(s64), %8:_(s64), %9:_(s64), %10:_(s64), %11:_(s64), %12:_(s64), %13:_(s64), %14:_(s64), %15:_(s64), %16:_(s64), %17:_(s64), %18:_(s64), %19:_(s64), %20:_(s64), %21:_(s64), %22:_(s64), %23:_(s64), %24:_(s64), %25:_(s64), %26:_(s64), %27:_(s64), %28:_(s64), %29:_(s64), %30:_(s8), %31:_(s16), %32:_(s32) (in function: liveArgs)
warning: Instruction selection used fallback path for liveArgs
Occurrences (2):
Generated 2026-10-15 08:05 UTC.