1; RUN: llc -mtriple=x86_64-windows-gnu -exception-model=dwarf < %s | FileCheck %s 2 3%struct.A = type { [4096 x i8] } 4 5@a = common global i32 0, align 4 6@b = common global i32 0, align 4 7 8define void @fn1() nounwind uwtable { 9entry: 10 %ctx = alloca %struct.A, align 1 11 %0 = load i32, i32* @a, align 4 12 %tobool = icmp eq i32 %0, 0 13 %div = sdiv i32 %0, 6 14 %cond = select i1 %tobool, i32 %div, i32 %0 15 store i32 %cond, i32* @b, align 4 16 %1 = getelementptr inbounds %struct.A, %struct.A* %ctx, i64 0, i32 0, i64 0 17 call void @llvm.lifetime.start.p0i8(i64 4096, i8* nonnull %1) 18 %2 = ptrtoint %struct.A* %ctx to i64 19 %3 = trunc i64 %2 to i32 20 call void @fn2(i32 %3) 21 call void @llvm.lifetime.end.p0i8(i64 4096, i8* nonnull %1) 22 ret void 23} 24 25declare void @fn2(i32) 26declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) 27declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) 28 29; CHECK-LABEL: fn1: 30; CHECK: pushq %rax 31; CHECK: movl $4128, %eax 32; CHECK: callq ___chkstk_ms 33; CHECK: subq %rax, %rsp 34; CHECK: movq 4128(%rsp), %rax 35 36; CHECK: addq $4136, %rsp 37