2f448bf509
Test updates were performed using: https://gist.github.com/nikic/98357b71fd67756b0f064c9517b62a34 These are only the test updates where the test passed without further modification (which is almost all of them, as the backend is largely pointer-type agnostic).
35 lines
1.1 KiB
LLVM
35 lines
1.1 KiB
LLVM
; RUN: llc -mtriple x86_64-apple-macosx10.8.0 < %s 2>&1 >/dev/null | FileCheck %s
|
|
; Check the internal option that warns when the stack frame size exceeds the
|
|
; given amount.
|
|
; <rdar://13987214>
|
|
|
|
; CHECK-NOT: nowarn
|
|
define void @nowarn() nounwind ssp "warn-stack-size"="80" {
|
|
entry:
|
|
%buffer = alloca [12 x i8], align 1
|
|
call void @doit(ptr %buffer) nounwind
|
|
ret void
|
|
}
|
|
|
|
; CHECK: warning: stack frame size (88) exceeds limit (80) in function 'warn'
|
|
define void @warn() nounwind ssp "warn-stack-size"="80" {
|
|
entry:
|
|
%buffer = alloca [80 x i8], align 1
|
|
call void @doit(ptr %buffer) nounwind
|
|
ret void
|
|
}
|
|
|
|
; Ensure that warn-stack-size also considers the size of the unsafe stack.
|
|
; With safestack enabled the machine stack size is well below 80, but the
|
|
; combined stack size of the machine stack and unsafe stack will exceed the
|
|
; warning threshold
|
|
|
|
; CHECK: warning: stack frame size (120) exceeds limit (80) in function 'warn_safestack'
|
|
define void @warn_safestack() nounwind ssp safestack "warn-stack-size"="80" {
|
|
entry:
|
|
%buffer = alloca [80 x i8], align 1
|
|
call void @doit(ptr %buffer) nounwind
|
|
ret void
|
|
}
|
|
declare void @doit(ptr)
|