mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
4174e2136f
Before this patch every Swift function would contain a top-level DW_TAG_lexical_scope that didn't provide any useful information, used extra space in the debug info and prevented local variables from showing up in virtual async backtraces.
28 lines
1.4 KiB
Swift
28 lines
1.4 KiB
Swift
// RUN: %target-swift-frontend %s -emit-ir -g -o - | %FileCheck %s --check-prefixes CHECK,DWARF-CHECK
|
|
// RUN: %target-swift-frontend %s -emit-ir -g -debug-info-format=codeview -o - \
|
|
// RUN: | %FileCheck %s --check-prefixes CHECK,CV-CHECK -allow-deprecated-dag-overlap
|
|
|
|
public func foo(_ a: Int64, _ b: Int64) -> Int64 { // line 5
|
|
// CHECK: sdiv i64 {{.*}}, !dbg ![[DIV:[0-9]+]]
|
|
// CHECK: call {{.*}} @llvm.sadd.with.overflow{{.*}}, !dbg ![[ADD:[0-9]+]]
|
|
let c = a + b / a; // line 8
|
|
// CHECK: icmp slt i64 {{.*}}, !dbg ![[SLT:[0-9]+]]
|
|
if (c < b) { // line 10
|
|
// CHECK: call {{.*}} @llvm.ssub.with.overflow{{.*}}, !dbg ![[SUB:[0-9]+]]
|
|
return a - b // line 12
|
|
}
|
|
return c
|
|
}
|
|
|
|
// CHECK-DAG: !DISubprogram(name: "foo",{{.*}} line: 5,
|
|
// DWARF-CHECK-DAG: ![[DIV]] = !DILocation(line: 8, column: 17,
|
|
// DWARF-CHECK-DAG: ![[ADD]] = !DILocation(line: 8, column: 13,
|
|
// DWARF-CHECK-DAG: ![[SLT]] = !DILocation(line: 10, column: 9,
|
|
// DWARF-CHECK-DAG: !DILexicalBlock({{.*}}, line: 10, column: 14)
|
|
// DWARF-CHECK-DAG: ![[SUB]] = !DILocation(line: 12, column: 14,
|
|
|
|
// CV-CHECK-DAG: ![[DIV]] = !DILocation(line: 8, scope:
|
|
// CV-CHECK-DAG: ![[SLT]] = !DILocation(line: 10, scope:
|
|
// CV-CHECK-DAG: !DILexicalBlock({{.*}}, line: 10)
|
|
// CV-CHECK-DAG: ![[SUB]] = !DILocation(line: 12, scope:
|