add a test to verify that precondition doesn't allocate in Onone builds

eeckstein · eeckstein · commit 0b9b9427153f · 2023-10-25T17:46:33.000+02:00
diff --git a/test/SILOptimizer/performance-annotations.swift b/test/SILOptimizer/performance-annotations.swift
@@ -412,3 +412,8 @@ func testInfiniteLoop(_ c: Cl) {
   while true {}
 }
 
+@_noAllocation
+func testPrecondition(_ count: Int) {
+  precondition(count == 2, "abc")
+}
+

Original file line number	Diff line number	Diff line change
`@@ -412,3 +412,8 @@ func testInfiniteLoop(_ c: Cl) {`
`412`	`412`	`while true {}`
`413`	`413`	`}`
`414`	`414`
	`415`	`+@_noAllocation`
	`416`	`+func testPrecondition(_ count: Int) {`
	`417`	`+ precondition(count == 2, "abc")`
	`418`	`+}`
	`419`	`+`