; 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" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "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" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "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 }