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// 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
// This comment must be at line 10 for the test to work.
func markUsed<T>(_ t: T) {}
// CHECK-SCOPES: define {{.*}}classifyPoint2
func classifyPoint2(_ p: (Double, Double)) {
func return_same (_ input : Double) -> Double
{
return input; // return_same gets called in both where statements
}
switch p {
case (let x, let y) where
// CHECK: call {{.*}}double {{.*}}return_same{{.*}}, !dbg ![[LOC1:.*]]
// CHECK: br {{.*}}, label {{.*}}, label {{.*}}, !dbg ![[LOC2:.*]]
// CHECK: call{{.*}}markUsed{{.*}}, !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)
// SIL-CHECK: dealloc_stack{{.*}}line:[[@LINE-1]]:17:cleanup
// Verify that the branch has a location >= the cleanup.
// SIL-CHECK-NEXT: br{{.*}}auto_gen
case (let x, let y) where x == -y:
markUsed(x)
case (let x, let y) where x >= -10 && x < 10 && y >= -10 && y < 10:
markUsed(x)
case (let x, let y):
markUsed(x)
}
switch p {
case (let x, let y) where x == 0:
if y == 0 { markUsed(x) }
else { markUsed(y) } // SIL-CHECK-NOT: br{{.*}}line:[[@LINE]]:31:cleanup
case (let x, let y): do {
if y == 0 { markUsed(x) }
else { markUsed(y) }
} // SIL-CHECK: br{{.*}}line:[[@LINE]]:5:cleanup
}
// Test the scopes for the switch at line 20.
// CHECK-SCOPES: #dbg_{{.*}}![[P:[0-9]+]],
// CHECK-SCOPES: #dbg_{{.*}}![[X1:[0-9]+]], !DIExpression
// CHECK-SCOPES-SAME: , ![[X1LOC:[0-9]+]]
// CHECK-SCOPES: #dbg_{{.*}}![[Y1:[0-9]+]], !DIExpression
// CHECK-SCOPES-SAME: , ![[Y1LOC:[0-9]+]]
// CHECK-SCOPES: #dbg_{{.*}}![[X2:[0-9]+]], !DIExpression
// CHECK-SCOPES-SAME: , ![[X2LOC:[0-9]+]]
// CHECK-SCOPES: #dbg_{{.*}}![[Y2:[0-9]+]], !DIExpression
// CHECK-SCOPES-SAME: , ![[Y2LOC:[0-9]+]]
// CHECK-SCOPES: #dbg_{{.*}}![[X3:[0-9]+]], !DIExpression
// CHECK-SCOPES-SAME: , ![[X3LOC:[0-9]+]]
// CHECK-SCOPES: #dbg_{{.*}}![[Y3:[0-9]+]], !DIExpression
// CHECK-SCOPES-SAME: , ![[Y3LOC:[0-9]+]]
// CHECK-SCOPES: #dbg_{{.*}}![[X4:[0-9]+]], !DIExpression
// CHECK-SCOPES-SAME: , ![[X4LOC:[0-9]+]]
// CHECK-SCOPES: #dbg_{{.*}}![[Y4:[0-9]+]], !DIExpression
// CHECK-SCOPES-SAME: , ![[Y4LOC:[0-9]+]]
// CHECK-SCOPES: #dbg_{{.*}}![[X5:[0-9]+]], !DIExpression
// CHECK-SCOPES-SAME: , ![[X5LOC:[0-9]+]]
// CHECK-SCOPES: #dbg_{{.*}}![[Y5:[0-9]+]], !DIExpression
// CHECK-SCOPES-SAME: , ![[Y5LOC:[0-9]+]]
// CHECK-SCOPES: #dbg_{{.*}}![[X6:[0-9]+]], !DIExpression
// CHECK-SCOPES-SAME: , ![[X6LOC:[0-9]+]]
// CHECK-SCOPES: #dbg_{{.*}}![[Y6:[0-9]+]], !DIExpression
// CHECK-SCOPES-SAME: , ![[Y6LOC:[0-9]+]]
// Verify that variables end up in separate appropriate scopes.
// CHECK-SCOPES: ![[X1]] = {{.*}}name: "x", scope: ![[SCOPE1:[0-9]+]], {{.*}}line: 37
// CHECK-SCOPES: ![[SCOPE1]] = distinct !DILexicalBlock(scope: ![[SWITCH1:[0-9]+]], {{.*}}line: 37
// CHECK-SCOPES: ![[SWITCH1]] = distinct !DILexicalBlock({{.*}}, line: 20
// CHECK-SCOPES: ![[Y1]] = {{.*}}name: "y", scope: ![[SCOPE1]], {{.*}}line: 37
// CHECK-SCOPES: ![[X1LOC]] = {{.*}}line: 37
// CHECK-SCOPES: ![[Y1LOC]] = {{.*}}line: 37
// CHECK: !DILocation(line: [[@LINE+1]],
}
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