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fix llvm backend c abi for parameters passed by reference on the stack

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Brendan Hansknecht 2022-07-16 16:34:51 -07:00
parent 9ba74c02e7
commit 08be0dc8aa
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2 changed files with 46 additions and 16 deletions
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10
examples/algorithms/quicksort-platform/host.zig
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@ -23,7 +23,7 @@ comptime {
const mem = std.mem;
const Allocator = mem.Allocator;
extern fn roc__mainForHost_1_exposed(input: *RocList) RocList;
extern fn roc__mainForHost_1_exposed(input: RocList) callconv(.C) RocList;
const Align = 2 * @alignOf(usize);
extern fn malloc(size: usize) callconv(.C) ?*align(Align) anyopaque;
@ -83,7 +83,7 @@ export fn roc_memset(dst: [*]u8, value: i32, size: usize) callconv(.C) void {
// warning! the array is currently stack-allocated so don't make this too big
const NUM_NUMS = 100;
const RocList = extern struct { elements: [*]i64, length: usize };
const RocList = extern struct { elements: [*]i64, length: usize, capacity: usize };
const Unit = extern struct {};
@ -101,16 +101,14 @@ pub export fn main() u8 {
numbers[i] = @mod(@intCast(i64, i), 12);
}
var roc_list = RocList{ .elements = numbers, .length = NUM_NUMS };
var roc_list = RocList{ .elements = numbers, .length = NUM_NUMS, .capacity = NUM_NUMS };
// start time
var ts1: std.os.timespec = undefined;
std.os.clock_gettime(std.os.CLOCK.REALTIME, &ts1) catch unreachable;
// actually call roc to populate the callresult
var callresult: RocList = roc__mainForHost_1_exposed(&roc_list);
// const callresult: RocList = roc__mainForHost_1_exposed_generic(&roc_list);
const callresult: RocList = roc__mainForHost_1_exposed(roc_list);
// stdout the result
const length = std.math.min(20, callresult.length);