1 ; RUN: llc < %s -mtriple=i686-pc-linux | FileCheck %s 2 3 4 ; Function Attrs: optsize 5 declare void @foo(i32, i32) 6 declare x86_stdcallcc void @stdfoo(i32, i32) 7 8 ; CHECK-LABEL: testNoUnwind: 9 ; CHECK: subl $20, %esp 10 ; CHECK-NOT: subl $12, %esp 11 ; CHECK-NOT: subl $8, %esp 12 ; CHECK: calll foo 13 ; CHECK: addl $8, %esp 14 ; CHECK-NOT: addl $16, %esp 15 ; CHECK-NOT: subl $8, %esp 16 ; CHECK: calll stdfoo 17 ; CHECK: addl $20, %esp 18 ; CHECK-NOT: addl $8, %esp 19 ; CHECK-NOT: addl $12, %esp 20 define void @testNoUnwind() nounwind { 21 entry: 22 tail call void @foo(i32 1, i32 2) 23 tail call x86_stdcallcc void @stdfoo(i32 3, i32 4) 24 ret void 25 } 26 27 ; CHECK-LABEL: testWithUnwind: 28 ; CHECK: subl $20, %esp 29 ; CHECK-NEXT: .cfi_adjust_cfa_offset 20 30 ; CHECK-NOT: subl $12, %esp 31 ; CHECK-NOT: subl $8, %esp 32 ; CHECK: calll foo 33 ; CHECK: addl $8, %esp 34 ; CHECK-NEXT: .cfi_adjust_cfa_offset -8 35 ; CHECK-NOT: addl $16, %esp 36 ; CHECK-NOT: subl $8, %esp 37 ; CHECK: calll stdfoo 38 ; CHECK: addl $20, %esp 39 ; CHECK-NEXT: .cfi_adjust_cfa_offset -20 40 ; CHECK-NOT: addl $8, %esp 41 ; CHECK-NOT: addl $12, %esp 42 define void @testWithUnwind() { 43 entry: 44 tail call void @foo(i32 1, i32 2) 45 tail call x86_stdcallcc void @stdfoo(i32 3, i32 4) 46 ret void 47 } 48
