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| author | Sander de Smalen <sander.desmalen@arm.com> | 2018-02-01 11:25:10 +0000 |
|---|---|---|
| committer | Sander de Smalen <sander.desmalen@arm.com> | 2018-02-01 11:25:10 +0000 |
| commit | 17c4633e7faf76682e7c999576128848b10fb815 (patch) | |
| tree | cef6c0668b787ede92f8ebf7e6d0c590136ae5c7 /clang/test/CodeGen/debug-info-vla.c | |
| parent | e11f0545db7a0a6939befb31f5f2c43a8ba4874e (diff) | |
| download | bcm5719-llvm-17c4633e7faf76682e7c999576128848b10fb815.tar.gz bcm5719-llvm-17c4633e7faf76682e7c999576128848b10fb815.zip | |
[DebugInfo] Enable debug information for C99 VLA types
Summary:
This patch enables debugging of C99 VLA types by generating more precise
LLVM Debug metadata, using the extended DISubrange 'count' field that
takes a DIVariable.
This should implement:
Bug 30553: Debug info generated for arrays is not what GDB expects (not as good as GCC's)
https://bugs.llvm.org/show_bug.cgi?id=30553
Reviewers: echristo, aprantl, dexonsmith, clayborg, pcc, kristof.beyls, dblaikie
Reviewed By: aprantl
Subscribers: jholewinski, schweitz, davide, fhahn, JDevlieghere, cfe-commits
Differential Revision: https://reviews.llvm.org/D41698
llvm-svn: 323952
Diffstat (limited to 'clang/test/CodeGen/debug-info-vla.c')
| -rw-r--r-- | clang/test/CodeGen/debug-info-vla.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/clang/test/CodeGen/debug-info-vla.c b/clang/test/CodeGen/debug-info-vla.c index 7928ca76139..35a219b955a 100644 --- a/clang/test/CodeGen/debug-info-vla.c +++ b/clang/test/CodeGen/debug-info-vla.c @@ -2,9 +2,11 @@ void testVLAwithSize(int s) { -// CHECK: dbg.declare -// CHECK: dbg.declare({{.*}}, metadata ![[VAR:.*]], metadata !DIExpression()) -// CHECK: ![[VAR]] = !DILocalVariable(name: "vla",{{.*}} line: [[@LINE+1]] +// CHECK-DAG: dbg.declare({{.*}} %vla_expr, metadata ![[VLAEXPR:[0-9]+]] +// CHECK-DAG: dbg.declare({{.*}} %vla, metadata ![[VAR:[0-9]+]] +// CHECK-DAG: ![[VLAEXPR]] = !DILocalVariable(name: "vla_expr" +// CHECK-DAG: ![[VAR]] = !DILocalVariable(name: "vla",{{.*}} line: [[@LINE+2]] +// CHECK-DAG: !DISubrange(count: ![[VLAEXPR]]) int vla[s]; int i; for (i = 0; i < s; i++) { |
