You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
45 lines
1.9 KiB
45 lines
1.9 KiB
; RUN: llc -march=hexagon -mcpu=hexagonv55 -enable-stackovf-sanitizer < %s | FileCheck %s
|
|
|
|
; CHECK-LABEL: foo_1
|
|
; CHECK: __runtime_stack_check
|
|
define i32 @foo_1(i32 %n) #0 {
|
|
entry:
|
|
%local = alloca [1024 x i32], align 8
|
|
%0 = bitcast [1024 x i32]* %local to i8*
|
|
call void @llvm.lifetime.start.p0i8(i64 4096, i8* %0) #1
|
|
%arraydecay = getelementptr inbounds [1024 x i32], [1024 x i32]* %local, i32 0, i32 0
|
|
call void @baz_1(i32* %arraydecay) #3
|
|
%arrayidx = getelementptr inbounds [1024 x i32], [1024 x i32]* %local, i32 0, i32 %n
|
|
%1 = load i32, i32* %arrayidx, align 4
|
|
call void @llvm.lifetime.end.p0i8(i64 4096, i8* %0) #1
|
|
ret i32 %1
|
|
}
|
|
|
|
; CHECK-LABEL: foo_2
|
|
; CHECK: __save_r16_through_r19_stkchk
|
|
define i32 @foo_2(i32 %n, i32* %y) #0 {
|
|
entry:
|
|
%local = alloca [2048 x i32], align 8
|
|
%0 = bitcast [2048 x i32]* %local to i8*
|
|
call void @llvm.lifetime.start.p0i8(i64 8192, i8* %0) #1
|
|
%arraydecay = getelementptr inbounds [2048 x i32], [2048 x i32]* %local, i32 0, i32 0
|
|
call void @baz_2(i32* %y, i32* %arraydecay) #3
|
|
%1 = load i32, i32* %y, align 4
|
|
%add = add nsw i32 %n, %1
|
|
%arrayidx = getelementptr inbounds [2048 x i32], [2048 x i32]* %local, i32 0, i32 %add
|
|
%2 = load i32, i32* %arrayidx, align 4
|
|
call void @llvm.lifetime.end.p0i8(i64 8192, i8* %0) #1
|
|
ret i32 %2
|
|
}
|
|
|
|
declare void @baz_1(i32*) #2
|
|
declare void @baz_2(i32*, i32*) #2
|
|
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
|
|
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
|
|
|
|
attributes #0 = { nounwind optsize "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
|
|
attributes #1 = { nounwind }
|
|
attributes #2 = { optsize "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
|
|
attributes #3 = { optsize }
|
|
|