1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=i686-apple-darwin -mattr=+sse2 -no-x86-call-frame-opt | FileCheck %s 3 4 %struct.quad_struct = type { i32, i32, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct* } 5 6define i32 @perimeter(%struct.quad_struct* %tree, i32 %size) nounwind { 7; CHECK-LABEL: perimeter: 8; CHECK: ## %bb.0: ## %entry 9; CHECK-NEXT: pushl %esi 10; CHECK-NEXT: subl $8, %esp 11; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax 12; CHECK-NEXT: testl %eax, %eax 13; CHECK-NEXT: je LBB0_3 14; CHECK-NEXT: ## %bb.1: ## %entry 15; CHECK-NEXT: cmpl $2, %eax 16; CHECK-NEXT: jne LBB0_3 17; CHECK-NEXT: ## %bb.2: ## %bb 18; CHECK-NEXT: movl $0, {{[0-9]+}}(%esp) 19; CHECK-NEXT: movl $0, (%esp) 20; CHECK-NEXT: calll _perimeter 21; CHECK-NEXT: movl %eax, %esi 22; CHECK-NEXT: movl $0, {{[0-9]+}}(%esp) 23; CHECK-NEXT: movl $0, (%esp) 24; CHECK-NEXT: calll _perimeter 25; CHECK-NEXT: addl %esi, %eax 26; CHECK-NEXT: jmp LBB0_4 27; CHECK-NEXT: LBB0_3: ## %UnifiedReturnBlock 28; CHECK-NEXT: xorl %eax, %eax 29; CHECK-NEXT: LBB0_4: ## %UnifiedReturnBlock 30; CHECK-NEXT: addl $8, %esp 31; CHECK-NEXT: popl %esi 32; CHECK-NEXT: retl 33entry: 34 switch i32 %size, label %UnifiedReturnBlock [ 35 i32 2, label %bb 36 i32 0, label %bb50 37 ] 38 39bb: ; preds = %entry 40 %tmp31 = tail call i32 @perimeter( %struct.quad_struct* null, i32 0 ) nounwind ; <i32> [#uses=1] 41 %tmp40 = tail call i32 @perimeter( %struct.quad_struct* null, i32 0 ) nounwind ; <i32> [#uses=1] 42 %tmp33 = add i32 0, %tmp31 ; <i32> [#uses=1] 43 %tmp42 = add i32 %tmp33, %tmp40 ; <i32> [#uses=1] 44 ret i32 %tmp42 45 46bb50: ; preds = %entry 47 ret i32 0 48 49UnifiedReturnBlock: ; preds = %entry 50 ret i32 0 51} 52