llvm-project/clang/test/CodeGen/lifetime-debuginfo-2.c
Douglas Katzman 3459ce2e5e Stop messing with the 'g' group of options in CompilerInvocation.
With this change, most 'g' options are rejected by CompilerInvocation.
They remain only as Driver options. The new way to request debug info
from cc1 is with "-debug-info-kind={line-tables-only|limited|standalone}"
and "-dwarf-version={2|3|4}". In the absence of a command-line option
to specify Dwarf version, the Toolchain decides it, rather than placing
Toolchain-specific logic in CompilerInvocation.

Also fix a bug in the Windows compatibility argument parsing
in which the "rightmost argument wins" principle failed.

Differential Revision: http://reviews.llvm.org/D13221

llvm-svn: 249655
2015-10-08 04:24:12 +00:00

30 lines
798 B
C

// RUN: %clang_cc1 -O1 -triple x86_64-none-linux-gnu -emit-llvm -debug-info-kind=line-tables-only %s -o - | FileCheck %s
// Inserting lifetime markers should not affect debuginfo: lifetime.end is not
// a destructor, but instrumentation for the compiler. Ensure the debug info for
// the return statement (in the IR) does not point to the function closing '}'
// which is used to show some destructors have been called before leaving the
// function.
extern int f(int);
extern int g(int);
// CHECK-LABEL: define i32 @test
int test(int a, int b) {
int res;
if (a==2) {
int r = f(b);
res = r + b;
a += 2;
} else {
int r = f(a);
res = r + a;
b += 1;
}
return res;
// CHECK: ret i32 %{{.*}}, !dbg [[DI:![0-9]+]]
// CHECK: [[DI]] = !DILocation(line: [[@LINE-2]]
}