1; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s 2; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s 3 4define void @f(i1 %d1, i1 %d2) safestack { 5entry: 6; CHECK-LABEL: define void @f( 7; CHECK: %[[USP:.*]] = load i8*, i8** @__safestack_unsafe_stack_ptr 8; CHECK-NEXT: getelementptr i8, i8* %[[USP]], i32 -16 9; CHECK: br i1 %d1, label %[[BB0:.*]], label %[[BB1:.*]] 10 %a = alloca i32, align 8 11 %b = alloca i32, align 8 12 br i1 %d1, label %bb0, label %bb1 13 14bb0: 15; CHECK: [[BB0]]: 16; CHECK: %[[Ai8:.*]] = getelementptr i8, i8* %unsafe_stack_ptr, i32 17; CHECK: %[[AUNSAFE:.*]] = bitcast i8* %[[Ai8]] to i32* 18; CHECK: br i1 19 br i1 %d2, label %bb2, label %bb2 20 21bb1: 22; CHECK: [[BB1]]: 23; CHECK: %[[Bi8:.*]] = getelementptr i8, i8* %unsafe_stack_ptr, i32 24; CHECK: %[[BUNSAFE:.*]] = bitcast i8* %[[Bi8]] to i32* 25; CHECK: br label 26 br label %bb2 27 28bb2: 29; CHECK: phi i32* [ %[[AUNSAFE]], %[[BB0]] ], [ %[[AUNSAFE]], %[[BB0]] ], [ %[[BUNSAFE]], %[[BB1]] ] 30 %c = phi i32* [ %a, %bb0 ], [ %a, %bb0 ], [ %b, %bb1 ] 31 call void @capture(i32* %c) 32 ret void 33} 34 35declare void @capture(i32*) 36