[test] Verify that [Closed]Range.contains and Range.~= get inlined even in unoptimized builds

Author: lorentey

test/stdlib/RangeContainsInlining.swift

@@ -0,0 +1,39 @@
+// RUN: %target-swift-emit-ir -primary-file %s 2>&1 | %FileCheck %s
+// RUN: %target-swift-emit-ir -primary-file %s -O 2>&1 | %FileCheck %s
+// RUN: %target-swift-emit-ir -primary-file %s -Osize 2>&1 | %FileCheck %s
+
+// CHECK-LABEL: define hidden swiftcc i1 @"$s17RangeContainsPerf08halfOpenB0ySbSnySiG_SitF"
+// CHECK-NOT: call swiftcc
+// CHECK: icmp
+// CHECK-NOT: call swiftcc
+// CHECK-LABEL: }
+func halfOpenContains(_ r: Range<Int>, _ i: Int) -> Bool {
+  r.contains(i)
+}
+
+// CHECK-LABEL: define hidden swiftcc i1 @"$s17RangeContainsPerf06closedB0ySbSNySiG_SitF"
+// CHECK-NOT: call swiftcc
+// CHECK: icmp
+// CHECK-NOT: call swiftcc
+// CHECK-LABEL: }
+func closedContains(_ r: ClosedRange<Int>, _ i: Int) -> Bool {
+  r.contains(i)
+}
+
+// CHECK-LABEL: define hidden swiftcc i1 @"$s17RangeContainsPerf20halfOpenPatternMatchySbSnySiG_SitF"
+// CHECK-NOT: call swiftcc
+// CHECK: icmp
+// CHECK-NOT: call swiftcc
+// CHECK-LABEL: }
+func halfOpenPatternMatch(_ r: Range<Int>, _ i: Int) -> Bool {
+  r ~= i
+}
+
+// CHECK-LABEL: define hidden swiftcc i1 @"$s17RangeContainsPerf18closedPatternMatchySbSNySiG_SitF"
+// CHECK-NOT: call swiftcc
+// CHECK: icmp
+// CHECK-NOT: call swiftcc
+// CHECK-LABEL: }
+func closedPatternMatch(_ r: ClosedRange<Int>, _ i: Int) -> Bool {
+  r ~= i
+}