Files
swift-mirror/test/DebugInfo/patternmatching.swift
2015-05-01 03:35:50 +00:00

51 lines
2.4 KiB
Swift

// RUN: %target-swift-frontend -primary-file %s -emit-ir -g -o %t.ll
// RUN: FileCheck %s < %t.ll
// RUN: FileCheck --check-prefix=CHECK-SCOPES %s < %t.ll
// RUN: %target-swift-frontend -emit-sil -emit-verbose-sil -primary-file %s -o - | FileCheck %s --check-prefix=SIL-CHECK
func markUsed<T>(t: T) {}
func classifyPoint2(p: (Double, Double)) {
func return_same (var input : Double) -> Double
{
return input; // return_same gets called in both where statements
}
switch p {
case (0, 0):
markUsed("origin")
case (0, _):
markUsed("on the Y axis")
markUsed("(0, \(p.1)) is on the y-axis")
case (_, 0):
markUsed("on the X axis")
case (var x, var y) where
// CHECK: call double {{.*}}return_same{{.*}}, !dbg ![[LOC1:.*]]
// CHECK: br {{.*}}, label {{.*}}, label {{.*}}, !dbg ![[LOC2:.*]]
// CHECK: builtinStringLiteral{{.*}}, !dbg ![[LOC3:.*]]
// CHECK: ![[LOC1]] = !DILocation(line: [[@LINE+2]],
// CHECK: ![[LOC2]] = !DILocation(line: [[@LINE+1]],
return_same(x) == return_same(y):
// CHECK: ![[LOC3]] = !DILocation(line: [[@LINE+1]],
markUsed("(\(x), \(y)) is on the + diagonal")
// SIL-CHECK: dealloc_stack{{.*}}line:[[@LINE-1]]:55:cleanup
// Verify that the branch has a location >= the cleanup.
// SIL-CHECK-NEXT: br{{.*}}line:[[@LINE-3]]:55:cleanup
case (var x, var y) where x == -y:
// Verify that all variables end up in the appropriate scopes.
// CHECK-SCOPES: !DILocalVariable(tag: DW_TAG_auto_variable, name: "x", scope: ![[SCOPE1:[0-9]+]],{{.*}} line: [[@LINE-2]]
// CHECK-SCOPES: ![[SCOPE1]] = distinct !DILexicalBlock(
markUsed("on the - diagonal")
case (var x, var y) where x >= -10 && x < 10 && y >= -10 && y < 10:
// CHECK-SCOPES: !DILocalVariable(tag: DW_TAG_auto_variable, name: "x", scope: ![[SCOPE2:[0-9]+]],{{.*}} line: [[@LINE-1]]
// CHECK-SCOPES: ![[SCOPE2]] = distinct !DILexicalBlock(
markUsed("near the origin")
case (var x, var y):
// CHECK-SCOPES: !DILocalVariable(tag: DW_TAG_auto_variable, name: "x", scope: ![[SCOPE3:[0-9]+]],{{.*}} line: [[@LINE-1]]
// CHECK-SCOPES: ![[SCOPE3]] = distinct !DILexicalBlock(
markUsed("sqrt(\(x*x + y*y)) units from the origin")
}
// CHECK: !DILocation(line: [[@LINE+1]],
}