[llvm-bugs] [Bug 31313] New: Line info table is wrong for first instruction after brace
via llvm-bugs
llvm-bugs at lists.llvm.org
Thu Dec 8 00:24:50 PST 2016
https://llvm.org/bugs/show_bug.cgi?id=31313
Bug ID: 31313
Summary: Line info table is wrong for first instruction after
brace
Product: clang
Version: unspecified
Hardware: PC
OS: MacOS X
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
Assignee: unassignedclangbugs at nondot.org
Reporter: bernhard.heckel at intel.com
CC: llvm-bugs at lists.llvm.org
Classification: Unclassified
Created attachment 17736
--> https://llvm.org/bugs/attachment.cgi?id=17736&action=edit
Reproducer
When compiling functions with local variables,
stack pointer is decremented at function entry to reserve memory.
This additional subtraction on the stack pointer should belong to the prologue
sequence. Unfortunately, it is associated in the line table with the first
C/C++ statement in this function.
Pls focus in the attached C-Sample on the function: callers (void)
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