1*9880d681SAndroid Build Coastguard Worker; RUN: llc -stack-symbol-ordering=0 < %s | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker; The aligned alloca means that we have to realign the stack, which forces the 4*9880d681SAndroid Build Coastguard Worker; use of ESI to address local variables. 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32" 7*9880d681SAndroid Build Coastguard Workertarget triple = "i686--windows-msvc" 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Worker; Function Attrs: nounwind 10*9880d681SAndroid Build Coastguard Workerdefine void @realigned_try() personality i8* bitcast (i32 (...)* @_except_handler3 to i8*) { 11*9880d681SAndroid Build Coastguard Workerentry: 12*9880d681SAndroid Build Coastguard Worker %x = alloca [4 x i32], align 16 13*9880d681SAndroid Build Coastguard Worker %arrayidx = getelementptr inbounds [4 x i32], [4 x i32]* %x, i32 0, i32 0 14*9880d681SAndroid Build Coastguard Worker invoke void @useit(i32* %arrayidx) 15*9880d681SAndroid Build Coastguard Worker to label %__try.cont unwind label %catch.dispatch 16*9880d681SAndroid Build Coastguard Worker 17*9880d681SAndroid Build Coastguard Workercatch.dispatch: ; preds = %entry 18*9880d681SAndroid Build Coastguard Worker %cs1 = catchswitch within none [label %__except.ret] unwind to caller 19*9880d681SAndroid Build Coastguard Worker 20*9880d681SAndroid Build Coastguard Worker__except.ret: ; preds = %catch.dispatch 21*9880d681SAndroid Build Coastguard Worker %pad = catchpad within %cs1 [i8* bitcast (i32 ()* @"\01?filt$0@0@realigned_try@@" to i8*)] 22*9880d681SAndroid Build Coastguard Worker catchret from %pad to label %__try.cont 23*9880d681SAndroid Build Coastguard Worker 24*9880d681SAndroid Build Coastguard Worker__try.cont: ; preds = %entry, %__except.ret 25*9880d681SAndroid Build Coastguard Worker ret void 26*9880d681SAndroid Build Coastguard Worker} 27*9880d681SAndroid Build Coastguard Worker 28*9880d681SAndroid Build Coastguard Worker; Function Attrs: nounwind argmemonly 29*9880d681SAndroid Build Coastguard Worker 30*9880d681SAndroid Build Coastguard Worker; Function Attrs: nounwind 31*9880d681SAndroid Build Coastguard Workerdefine internal i32 @"\01?filt$0@0@realigned_try@@"() { 32*9880d681SAndroid Build Coastguard Workerentry: 33*9880d681SAndroid Build Coastguard Worker ret i32 1 34*9880d681SAndroid Build Coastguard Worker} 35*9880d681SAndroid Build Coastguard Worker 36*9880d681SAndroid Build Coastguard Workerdeclare void @useit(i32*) 37*9880d681SAndroid Build Coastguard Worker 38*9880d681SAndroid Build Coastguard Workerdeclare i32 @_except_handler3(...) 39*9880d681SAndroid Build Coastguard Worker 40*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: _realigned_try: 41*9880d681SAndroid Build Coastguard Worker; Prologue 42*9880d681SAndroid Build Coastguard Worker; CHECK: pushl %ebp 43*9880d681SAndroid Build Coastguard Worker; CHECK: movl %esp, %ebp 44*9880d681SAndroid Build Coastguard Worker; CHECK: pushl %ebx 45*9880d681SAndroid Build Coastguard Worker; CHECK: pushl %edi 46*9880d681SAndroid Build Coastguard Worker; CHECK: pushl %esi 47*9880d681SAndroid Build Coastguard Worker; CHECK: andl $-16, %esp 48*9880d681SAndroid Build Coastguard Worker; CHECK: subl $64, %esp 49*9880d681SAndroid Build Coastguard Worker; CHECK: movl %esp, %esi 50*9880d681SAndroid Build Coastguard Worker; Spill EBP 51*9880d681SAndroid Build Coastguard Worker; CHECK: movl %ebp, 12(%esi) 52*9880d681SAndroid Build Coastguard Worker; Spill ESP 53*9880d681SAndroid Build Coastguard Worker; CHECK: movl %esp, 36(%esi) 54*9880d681SAndroid Build Coastguard Worker; The state is stored at ESI+56, the end of the node is ESI+60. 55*9880d681SAndroid Build Coastguard Worker; CHECK: movl $-1, 56(%esi) 56*9880d681SAndroid Build Coastguard Worker; 57*9880d681SAndroid Build Coastguard Worker; __try 58*9880d681SAndroid Build Coastguard Worker; CHECK: calll _useit 59*9880d681SAndroid Build Coastguard Worker; 60*9880d681SAndroid Build Coastguard Worker; Epilogue 61*9880d681SAndroid Build Coastguard Worker; CHECK: LBB0_2: # %__try.cont 62*9880d681SAndroid Build Coastguard Worker; CHECK: leal -12(%ebp), %esp 63*9880d681SAndroid Build Coastguard Worker; CHECK: popl %esi 64*9880d681SAndroid Build Coastguard Worker; CHECK: popl %edi 65*9880d681SAndroid Build Coastguard Worker; CHECK: popl %ebx 66*9880d681SAndroid Build Coastguard Worker; CHECK: popl %ebp 67*9880d681SAndroid Build Coastguard Worker; CHECK: retl 68*9880d681SAndroid Build Coastguard Worker; 69*9880d681SAndroid Build Coastguard Worker; CHECK: LBB0_1: # %__except.ret 70*9880d681SAndroid Build Coastguard Worker; Restore ESP 71*9880d681SAndroid Build Coastguard Worker; CHECK: movl -24(%ebp), %esp 72*9880d681SAndroid Build Coastguard Worker; Recompute ESI by subtracting 60 from the end of the registration node. 73*9880d681SAndroid Build Coastguard Worker; CHECK: leal -60(%ebp), %esi 74*9880d681SAndroid Build Coastguard Worker; Restore EBP 75*9880d681SAndroid Build Coastguard Worker; CHECK: movl 12(%esi), %ebp 76*9880d681SAndroid Build Coastguard Worker; Rejoin normal control flow 77*9880d681SAndroid Build Coastguard Worker; CHECK: jmp LBB0_2 78