| // RUN: %target-swift-frontend %s -emit-ir -g -o %t.ll |
| // RUN: %FileCheck %s < %t.ll |
| |
| func markUsed<T>(_ t: T) {} |
| |
| var puzzleOutput: [String] = [] |
| // CHECK-NOT: !DILocalVariable(name: "$letter$generator" |
| // CHECK: !DILocalVariable(name: "letter", |
| // CHECK-SAME: line: [[@LINE+1]] |
| for letter in ["g", "r", "e", "a", "t"] { |
| switch letter { |
| case "a", "e", "i", "o", "u", " ": |
| continue |
| default: |
| puzzleOutput.append(letter) |
| } |
| } |
| markUsed(puzzleOutput) |
| |
| |
| func count() { |
| // CHECK-NOT: !DILocalVariable(name: "$i$generator" |
| // CHECK: !DILocalVariable(name: "i", |
| // CHECK-SAME: line: [[@LINE+1]] |
| for i in 0...100 { |
| markUsed(i) |
| } |
| } |
| count() |
| |
| // End-to-end test: |
| // RUN: llc %t.ll -filetype=obj -o - | %llvm-dwarfdump - | %FileCheck %s --check-prefix DWARF-CHECK |
| // DWARF-CHECK: DW_TAG_variable |
| // DWARF-CHECK: DW_AT_name ("letter") |
| // |
| // DWARF-CHECK: DW_TAG_variable |
| // DWARF-CHECK: DW_AT_name ("i") |
