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| author | Veikka Tuominen <git@vexu.eu> | 2022-09-23 17:09:21 +0300 |
|---|---|---|
| committer | Veikka Tuominen <git@vexu.eu> | 2022-09-24 14:43:03 +0300 |
| commit | fdf4c875ffbbeb24f844718d9eb92bac38e7147e (patch) | |
| tree | dec80b3abbf3d39eb0dda7683d7edd37827c52f0 /src/codegen/llvm.zig | |
| parent | 3525b8778edd235d8d0ad2b55eee83eacd33d5cf (diff) | |
| download | zig-fdf4c875ffbbeb24f844718d9eb92bac38e7147e.tar.gz zig-fdf4c875ffbbeb24f844718d9eb92bac38e7147e.zip | |
llvm: avoid crash on duplicate asm input/output name
Diffstat (limited to 'src/codegen/llvm.zig')
| -rw-r--r-- | src/codegen/llvm.zig | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/codegen/llvm.zig b/src/codegen/llvm.zig index b2b811beba..b2b9d7de2c 100644 --- a/src/codegen/llvm.zig +++ b/src/codegen/llvm.zig @@ -5972,7 +5972,9 @@ pub const FuncGen = struct { } if (!std.mem.eql(u8, name, "_")) { - name_map.putAssumeCapacityNoClobber(name, total_i); + const gop = name_map.getOrPutAssumeCapacity(name); + if (gop.found_existing) return self.todo("duplicate asm output name '{s}'", .{name}); + gop.value_ptr.* = total_i; } total_i += 1; } @@ -6028,7 +6030,9 @@ pub const FuncGen = struct { } if (!std.mem.eql(u8, name, "_")) { - name_map.putAssumeCapacityNoClobber(name, total_i); + const gop = name_map.getOrPutAssumeCapacity(name); + if (gop.found_existing) return self.todo("duplicate asm input name '{s}'", .{name}); + gop.value_ptr.* = total_i; } // In the case of indirect inputs, LLVM requires the callsite to have |