1 ; RUN: llc < %s | FileCheck %s
3 ; The aligned alloca means that we have to realign the stack, which forces the
4 ; use of ESI to address local variables.
6 target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
7 target triple = "i686--windows-msvc"
9 ; Function Attrs: nounwind
10 define void @realigned_try() personality i8* bitcast (i32 (...)* @_except_handler3 to i8*) {
12 %x = alloca [4 x i32], align 16
13 %arrayidx = getelementptr inbounds [4 x i32], [4 x i32]* %x, i32 0, i32 0
14 invoke void @useit(i32* %arrayidx)
15 to label %__try.cont unwind label %catch.dispatch
17 catch.dispatch: ; preds = %entry
18 %pad = catchpad [i8* bitcast (i32 ()* @"\01?filt$0@0@realigned_try@@" to i8*)]
19 to label %__except.ret unwind label %catchendblock
21 __except.ret: ; preds = %catch.dispatch
22 catchret %pad to label %__try.cont
24 __try.cont: ; preds = %entry, %__except.ret
27 catchendblock: ; preds = %catch.dispatch
28 catchendpad unwind to caller
31 ; Function Attrs: nounwind argmemonly
33 ; Function Attrs: nounwind
34 define internal i32 @"\01?filt$0@0@realigned_try@@"() {
39 declare void @useit(i32*)
41 declare i32 @_except_handler3(...)
43 ; CHECK-LABEL: _realigned_try:
46 ; CHECK: movl %esp, %ebp
50 ; CHECK: andl $-16, %esp
51 ; CHECK: subl $64, %esp
52 ; CHECK: movl %esp, %esi
54 ; CHECK: movl %ebp, 12(%esi)
56 ; CHECK: movl %esp, 36(%esi)
57 ; The state is stored at ESI+56, the end of the node is ESI+60.
58 ; CHECK: movl $-1, 56(%esi)
64 ; CHECK: LBB0_1: # %__try.cont
65 ; CHECK: leal -12(%ebp), %esp
72 ; CHECK: LBB0_2: # %catch.dispatch
74 ; CHECK: movl -24(%ebp), %esp
75 ; Recompute ESI by subtracting 60 from the end of the registration node.
76 ; CHECK: leal -60(%ebp), %esi
78 ; CHECK: movl 12(%esi), %ebp
79 ; Rejoin normal control flow