Add a new option for and disable column number information as there
are no known current users of column info. Robustify and fix up
a few tests in the process. Reduces the size of debug information
by a small amount.
Part of PR14106
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166236 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/debug-info-iv.c b/test/CodeGen/debug-info-iv.c
index 6684fe3..aafd71d 100644
--- a/test/CodeGen/debug-info-iv.c
+++ b/test/CodeGen/debug-info-iv.c
@@ -27,7 +27,7 @@
Array[i][j] = 0;
test_indvars(Array[0], Array);
-//CHECK: .loc 2 31 8
+//CHECK: .loc 2 31
for (i=0; i < 100; i+=2)
for (j=0; j < 200; j++)
sum += Array[i][j];
diff --git a/test/CodeGen/debug-info-line3.c b/test/CodeGen/debug-info-line3.c
index a4e35e7..d01b023 100644
--- a/test/CodeGen/debug-info-line3.c
+++ b/test/CodeGen/debug-info-line3.c
@@ -12,5 +12,5 @@
}
-// CHECK: ret void, !dbg !17
-// CHECK: !17 = metadata !{i32 6,
+// CHECK: ret void, !dbg [[LINE:.*]]
+// CHECK: [[LINE]] = metadata !{i32 6,
diff --git a/test/CodeGen/debug-info-line4.c b/test/CodeGen/debug-info-line4.c
new file mode 100644
index 0000000..004176c
--- /dev/null
+++ b/test/CodeGen/debug-info-line4.c
@@ -0,0 +1,11 @@
+// RUN: %clang %s -g -gcolumn-info -S -emit-llvm -o - | FileCheck %s
+// Checks that clang emits column information when -gcolumn-info is passed.
+
+int foo(int a, int b) { int c = a + b;
+
+
+ return c;
+}
+
+// Without column information we wouldn't change locations for b.
+// CHECK: metadata !{i32 4, i32 20,
diff --git a/test/CodeGen/debug-line-1.c b/test/CodeGen/debug-line-1.c
index 0c2d185..be1da08 100644
--- a/test/CodeGen/debug-line-1.c
+++ b/test/CodeGen/debug-line-1.c
@@ -4,7 +4,7 @@
// Check to make sure that we emit the block for the break so that we can count the line.
// CHECK: sw.bb: ; preds = %entry
-// CHECK: br label %sw.epilog, !dbg !19
+// CHECK: br label %sw.epilog, !dbg !
extern int atoi(const char *);