1; Test stack pointer restore after setjmp() with the function-call safestack ABI. 2; RUN: opt -safe-stack -S -mtriple=arm-linux-androideabi < %s -o - | FileCheck %s 3; RUN: opt -passes=safe-stack -S -mtriple=arm-linux-androideabi < %s -o - | FileCheck %s 4 5@env = global [64 x i32] zeroinitializer, align 4 6 7define void @f(i32 %b) safestack { 8entry: 9; CHECK: %[[SPA:.*]] = call ptr @__safestack_pointer_address() 10; CHECK: %[[USP:.*]] = load ptr, ptr %[[SPA]] 11; CHECK: %[[USDP:.*]] = alloca ptr 12; CHECK: store ptr %[[USP]], ptr %[[USDP]] 13; CHECK: call i32 @setjmp 14 15 %call = call i32 @setjmp(ptr @env) returns_twice 16 17; CHECK: %[[USP2:.*]] = load ptr, ptr %[[USDP]] 18; CHECK: store ptr %[[USP2]], ptr %[[SPA]] 19 20 %tobool = icmp eq i32 %b, 0 21 br i1 %tobool, label %if.end, label %if.then 22 23if.then: 24 %0 = alloca [42 x i8], align 1 25 call void @_Z7CapturePv(ptr %0) 26 br label %if.end 27 28if.end: 29; CHECK: store ptr %[[USP:.*]], ptr %[[SPA:.*]] 30 31 ret void 32} 33 34declare i32 @setjmp(ptr) returns_twice 35 36declare void @_Z7CapturePv(ptr) 37