| ; RUN: llc -mtriple=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 |
| call void @llvm.lifetime.start.p0(i64 4096, ptr %local) #1 |
| call void @baz_1(ptr %local) #3 |
| %arrayidx = getelementptr inbounds [1024 x i32], ptr %local, i32 0, i32 %n |
| %0 = load i32, ptr %arrayidx, align 4 |
| call void @llvm.lifetime.end.p0(i64 4096, ptr %local) #1 |
| ret i32 %0 |
| } |
| |
| ; CHECK-LABEL: foo_2 |
| ; CHECK: __save_r16_through_r19_stkchk |
| define i32 @foo_2(i32 %n, ptr %y) #0 { |
| entry: |
| %local = alloca [2048 x i32], align 8 |
| call void @llvm.lifetime.start.p0(i64 8192, ptr %local) #1 |
| call void @baz_2(ptr %y, ptr %local) #3 |
| %0 = load i32, ptr %y, align 4 |
| %add = add nsw i32 %n, %0 |
| %arrayidx = getelementptr inbounds [2048 x i32], ptr %local, i32 0, i32 %add |
| %1 = load i32, ptr %arrayidx, align 4 |
| call void @llvm.lifetime.end.p0(i64 8192, ptr %local) #1 |
| ret i32 %1 |
| } |
| |
| declare void @baz_1(ptr) #2 |
| declare void @baz_2(ptr, ptr) #2 |
| declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #1 |
| declare void @llvm.lifetime.end.p0(i64, ptr 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 } |
| |
