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| author | David Blaikie <dblaikie@gmail.com> | 2014-10-22 19:34:33 +0000 |
|---|---|---|
| committer | David Blaikie <dblaikie@gmail.com> | 2014-10-22 19:34:33 +0000 |
| commit | 60a877b5b9c27fb2c3418274d05d7b0063838948 (patch) | |
| tree | 2ac4181347f52ce6447b3e5733d45b6da2acbe36 /clang/test/CodeGen/debug-info-scope.c | |
| parent | 6d87ce8bd59a2b2e96fa418c4f5605cb8deda809 (diff) | |
| download | bcm5719-llvm-60a877b5b9c27fb2c3418274d05d7b0063838948.tar.gz bcm5719-llvm-60a877b5b9c27fb2c3418274d05d7b0063838948.zip | |
DebugInfo: Omit scopes in -gmlt to reduce metadata size (on disk and in memory)
I haven't done any actual impact analysis of this change as it's a
strict improvement, but I'd be curious to know how much it helps.
llvm-svn: 220408
Diffstat (limited to 'clang/test/CodeGen/debug-info-scope.c')
| -rw-r--r-- | clang/test/CodeGen/debug-info-scope.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/clang/test/CodeGen/debug-info-scope.c b/clang/test/CodeGen/debug-info-scope.c index 9decaeafd50..d84fafd018d 100644 --- a/clang/test/CodeGen/debug-info-scope.c +++ b/clang/test/CodeGen/debug-info-scope.c @@ -1,4 +1,5 @@ // RUN: %clang_cc1 -g -emit-llvm < %s | FileCheck %s +// RUN: %clang_cc1 -gline-tables-only -emit-llvm < %s | FileCheck --check-prefix=GMLT %s // Two variables with same name in separate scope. // Radar 8330217. int main() { @@ -6,10 +7,21 @@ int main() { int k = 0; // CHECK: DW_TAG_auto_variable ] [i] // CHECK-NEXT: DW_TAG_lexical_block + +// FIXME: Looks like we don't actually need both these lexical blocks (disc 2 +// just refers to disc 1, nothing actually uses disc 2). +// GMLT-NOT: DW_TAG_lexical_block +// GMLT: "0xb\002", {{.*}}} ; [ DW_TAG_lexical_block ] +// GMLT-NOT: DW_TAG_lexical_block +// GMLT: "0xb\001", {{.*}}} ; [ DW_TAG_lexical_block ] +// Make sure we don't have any more lexical blocks because we don't need them in +// -gmlt. +// GMLT-NOT: DW_TAG_lexical_block for (int i = 0; i < 10; i++) j++; // CHECK: DW_TAG_auto_variable ] [i] // CHECK-NEXT: DW_TAG_lexical_block +// GMLT-NOT: DW_TAG_lexical_block for (int i = 0; i < 10; i++) k++; return 0; |
