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Test that stack layout with an unsupported offset is rejected cleanly.

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Dan Gohman
2017-08-31 07:45:39 -07:00
parent bd0590604d
commit fc374b6c06
1 changed files with 6 additions and 0 deletions
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6
lib/cretonne/src/stack_layout.rs
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@@ -111,6 +111,8 @@ mod tests {
use ir::StackSlots; use ir::StackSlots;
use ir::types; use ir::types;
use super::layout_stack; use super::layout_stack;
use ir::stackslot::StackOffset;
use result::CtonError;
#[test] #[test]
fn layout() { fn layout() {
@@ -181,5 +183,9 @@ mod tests {
assert_eq!(sss[ss0].offset, -16); assert_eq!(sss[ss0].offset, -16);
assert_eq!(sss[ss1].offset, -8); assert_eq!(sss[ss1].offset, -8);
assert_eq!(sss[out0].offset, 0); assert_eq!(sss[out0].offset, 0);
// Also test that an unsupported offset is rejected.
sss.get_outgoing_arg(types::I8, StackOffset::max_value() - 1);
assert_eq!(layout_stack(sss, 1), Err(CtonError::ImplLimitExceeded));
} }
} }