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Add assert() statement support. Issue #106.

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This commit is contained in:
Matt Pharr
2011-10-15 13:22:38 -07:00
parent 1ab05c0351
commit 422b8268a9
14 changed files with 289 additions and 3 deletions
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37
builtins.m4
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@@ -1777,6 +1777,43 @@ prefetch_read(varying_int64, <$1 x i64>)
prefetch_read(varying_float, <$1 x float>)
prefetch_read(varying_double, <$1 x double>)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; assert
declare i32 @printf(i8*, ...)
declare void @abort() noreturn
define internal void @__do_assert_uniform(i8 *%str, i1 %test, <$1 x i32> %mask) {
br i1 %test, label %ok, label %fail
fail:
%call = call i32 (i8*, ...)* @printf(i8* %str)
call void @abort() noreturn
unreachable
ok:
ret void
}
define internal void @__do_assert_varying(i8 *%str, <$1 x i32> %test,
<$1 x i32> %mask) {
%nottest = xor <$1 x i32> %test,
< forloop(i, 1, eval($1-1), `i32 -1, ') i32 -1 >
%nottest_and_mask = and <$1 x i32> %nottest, %mask
%mm = call i32 @__movmsk(<$1 x i32> %nottest_and_mask)
%all_ok = icmp eq i32 %mm, 0
br i1 %all_ok, label %ok, label %fail
fail:
%call = call i32 (i8*, ...)* @printf(i8* %str)
call void @abort() noreturn
unreachable
ok:
ret void
}
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; stdlib transcendentals
;;