1; RUN: llc -mtriple=hexagon -mcpu=hexagonv55 -enable-stackovf-sanitizer < %s | FileCheck %s 2 3; CHECK-LABEL: foo_1 4; CHECK: __runtime_stack_check 5define i32 @foo_1(i32 %n) #0 { 6entry: 7 %local = alloca [1024 x i32], align 8 8 call void @llvm.lifetime.start.p0(i64 4096, ptr %local) #1 9 call void @baz_1(ptr %local) #3 10 %arrayidx = getelementptr inbounds [1024 x i32], ptr %local, i32 0, i32 %n 11 %0 = load i32, ptr %arrayidx, align 4 12 call void @llvm.lifetime.end.p0(i64 4096, ptr %local) #1 13 ret i32 %0 14} 15 16; CHECK-LABEL: foo_2 17; CHECK: __save_r16_through_r19_stkchk 18define i32 @foo_2(i32 %n, ptr %y) #0 { 19entry: 20 %local = alloca [2048 x i32], align 8 21 call void @llvm.lifetime.start.p0(i64 8192, ptr %local) #1 22 call void @baz_2(ptr %y, ptr %local) #3 23 %0 = load i32, ptr %y, align 4 24 %add = add nsw i32 %n, %0 25 %arrayidx = getelementptr inbounds [2048 x i32], ptr %local, i32 0, i32 %add 26 %1 = load i32, ptr %arrayidx, align 4 27 call void @llvm.lifetime.end.p0(i64 8192, ptr %local) #1 28 ret i32 %1 29} 30 31declare void @baz_1(ptr) #2 32declare void @baz_2(ptr, ptr) #2 33declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #1 34declare void @llvm.lifetime.end.p0(i64, ptr nocapture) #1 35 36attributes #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" } 37attributes #1 = { nounwind } 38attributes #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" } 39attributes #3 = { optsize } 40 41