https://llvm.org/bugs/show_bug.cgi?id=26304
Bug ID: 26304
Summary: [X86] Omit frame pointer even with
-fno-emit-frame-pointer if there are no locals
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Backend: X86
Assignee: unassignedb...@nondot.org
Reporter: h...@chromium.org
CC: llvm-bugs@lists.llvm.org
Blocks: 26299
Classification: Unclassified
For this example:
int g(int);
int f() {
return g(42);
}
even with /Oy- MSVC will not set ebp:
_f:
00000000: 6A 2A push 2Ah
00000002: E8 00 00 00 00 call _g
00000007: 59 pop ecx
00000008: C3 ret
whereas Clang does.
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