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llvm-mirror/test/CodeGen/ARM/warn-stack.ll
Fangrui Song 61ffec433f Improve the diagnostic of DiagnosticInfoResourceLimit (and warn-stack-size in particular)
Before: `warning: stack size limit exceeded (888) in main`
After: `warning: stack frame size (888) exceeds limit (100) in function 'main'` (the -Wframe-larger-than limit will be mentioned)

Reviewed By: nickdesaulniers

Differential Revision: https://reviews.llvm.org/D104667
2021-06-22 09:55:20 -07:00

25 lines
849 B
LLVM

; RUN: llc -mtriple thumbv7-apple-ios3.0.0 < %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 "frame-pointer"="all" "warn-stack-size"="80" {
entry:
%buffer = alloca [12 x i8], align 1
%arraydecay = getelementptr inbounds [12 x i8], [12 x i8]* %buffer, i64 0, i64 0
call void @doit(i8* %arraydecay) nounwind
ret void
}
; CHECK: warning: stack frame size (92) exceeds limit (80) in function 'warn'
define void @warn() nounwind ssp "frame-pointer"="all" "warn-stack-size"="80" {
entry:
%buffer = alloca [80 x i8], align 1
%arraydecay = getelementptr inbounds [80 x i8], [80 x i8]* %buffer, i64 0, i64 0
call void @doit(i8* %arraydecay) nounwind
ret void
}
declare void @doit(i8*)