1; Check that the __stack_chk_guard was placed in small data. 2; RUN: llc -mtriple=hexagon -mtriple=hexagon-unknown-linux-gnu -O2 -hexagon-small-data-threshold=4 < %s | FileCheck -check-prefix=GPREL %s 3; GPREL: memw(gp+#__stack_chk_guard) 4 5; For threshold less than 4 (size of address), the variable is not placed in small-data 6; RUN: llc -mtriple=hexagon -mtriple=hexagon-unknown-linux-gnu -O2 -hexagon-small-data-threshold=0 < %s | FileCheck -check-prefix=ABS %s 7; ABS: memw(##__stack_chk_guard) 8 9@g0 = private unnamed_addr constant [37 x i8] c"This string is longer than 16 bytes\0A\00", align 1 10@g1 = private unnamed_addr constant [15 x i8] c"\0AChar 20 = %c\0A\00", align 1 11 12; Function Attrs: noinline nounwind ssp 13define zeroext i8 @f0(i32 %a0) #0 { 14b0: 15 %v0 = alloca i32, align 4 16 %v1 = alloca [64 x i8], align 8 17 %v2 = alloca ptr, align 4 18 store i32 %a0, ptr %v0, align 4 19 store ptr @g0, ptr %v2, align 4 20 %v4 = load ptr, ptr %v2, align 4 21 %v5 = call ptr @f1(ptr %v1, ptr %v4) #2 22 %v6 = load i32, ptr %v0, align 4 23 %v7 = getelementptr inbounds [64 x i8], ptr %v1, i32 0, i32 %v6 24 %v8 = load i8, ptr %v7, align 1 25 ret i8 %v8 26} 27 28; Function Attrs: nounwind 29declare ptr @f1(ptr, ptr) #1 30 31; Function Attrs: noinline nounwind ssp 32define i32 @f2(i32 %a0, ptr %a1) #0 { 33b0: 34 %v0 = alloca i32, align 4 35 %v1 = alloca i32, align 4 36 %v2 = alloca ptr, align 4 37 store i32 0, ptr %v0, align 4 38 store i32 %a0, ptr %v1, align 4 39 store ptr %a1, ptr %v2, align 4 40 %v3 = call zeroext i8 @f0(i32 20) 41 %v4 = zext i8 %v3 to i32 42 %v5 = call i32 (ptr, ...) @f3(ptr @g1, i32 %v4) #2 43 ret i32 0 44} 45 46; Function Attrs: nounwind 47declare i32 @f3(ptr, ...) #1 48 49attributes #0 = { noinline nounwind ssp "target-cpu"="hexagonv60" "target-features"="+hvx,+hvx-length64b" } 50attributes #1 = { nounwind "target-cpu"="hexagonv60" "target-features"="+hvx,+hvx-length64b" } 51attributes #2 = { nounwind } 52