1 ; RUN: opt < %s -licm -S | FileCheck %s 2 ; RUN: opt -aa-pipeline=basic-aa -passes='require<aa>,require<targetir>,require<scalar-evolution>,loop(licm)' < %s -S | FileCheck %s 3 4 target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32" 5 target triple = "i386-pc-windows-msvc18.0.0" 6 7 define void @test1(i32* %s, i1 %b) personality i32 (...)* @__CxxFrameHandler3 { 8 entry: 9 br label %while.cond 10 11 while.cond: ; preds = %while.body, %entry 12 %0 = call i32 @pure_computation() 13 br i1 %b, label %try.cont, label %while.body 14 15 while.body: ; preds = %while.cond 16 invoke void @may_throw() 17 to label %while.cond unwind label %catch.dispatch 18 19 catch.dispatch: ; preds = %while.body 20 %.lcssa1 = phi i32 [ %0, %while.body ] 21 %cs = catchswitch within none [label %catch] unwind to caller 22 23 catch: ; preds = %catch.dispatch 24 %cp = catchpad within %cs [i8* null, i32 64, i8* null] 25 store i32 %.lcssa1, i32* %s 26 catchret from %cp to label %try.cont 27 28 try.cont: ; preds = %catch, %while.cond 29 ret void 30 } 31 32 ; CHECK-LABEL: define void @test1( 33 ; CHECK: %[[CALL:.*]] = call i32 @pure_computation() 34 ; CHECK: phi i32 [ %[[CALL]] 35 36 define void @test2(i32* %s, i1 %b) personality i32 (...)* @__CxxFrameHandler3 { 37 entry: 38 br label %while.cond 39 40 while.cond: ; preds = %while.body, %entry 41 %0 = call i32 @pure_computation() 42 br i1 %b, label %try.cont, label %while.body 43 44 while.body: ; preds = %while.cond 45 invoke void @may_throw() 46 to label %while.cond unwind label %catch.dispatch 47 48 catch.dispatch: ; preds = %while.body 49 %.lcssa1 = phi i32 [ %0, %while.body ] 50 %cp = cleanuppad within none [] 51 store i32 %.lcssa1, i32* %s 52 cleanupret from %cp unwind to caller 53 54 try.cont: ; preds = %catch, %while.cond 55 ret void 56 } 57 58 ; CHECK-LABEL: define void @test2( 59 ; CHECK: %[[CP:.*]] = cleanuppad within none [] 60 ; CHECK-NEXT: %[[CALL:.*]] = call i32 @pure_computation() [ "funclet"(token %[[CP]]) ] 61 ; CHECK-NEXT: store i32 %[[CALL]], i32* %s 62 ; CHECK-NEXT: cleanupret from %[[CP]] unwind to caller 63 64 define void @test3(i1 %a, i1 %b, i1 %c) personality i32 (...)* @__CxxFrameHandler3 { 65 entry: 66 %.frame = alloca i8, align 4 67 %.frame2 = alloca i8, align 4 68 %bc = bitcast i8* %.frame to i32* 69 %bc2 = bitcast i8* %.frame2 to i32* 70 br i1 %a, label %try.success.or.caught, label %forbody 71 72 catch.object.Throwable: ; preds = %catch.dispatch 73 %cp = catchpad within %cs [i8* null, i32 64, i8* null] 74 unreachable 75 76 try.success.or.caught: ; preds = %forcond.backedge, %0 77 ret void 78 79 postinvoke: ; preds = %forbody 80 br i1 %b, label %else, label %forcond.backedge 81 82 forcond.backedge: ; preds = %else, %postinvoke 83 br i1 %c, label %try.success.or.caught, label %forbody 84 85 catch.dispatch: ; preds = %else, %forbody 86 %cs = catchswitch within none [label %catch.object.Throwable] unwind to caller 87 88 forbody: ; preds = %forcond.backedge, %0 89 store i32 1, i32* %bc, align 4 90 store i32 2, i32* %bc2, align 4 91 invoke void @may_throw() 92 to label %postinvoke unwind label %catch.dispatch 93 94 else: ; preds = %postinvoke 95 invoke void @may_throw() 96 to label %forcond.backedge unwind label %catch.dispatch 97 } 98 99 ; CHECK-LABEL: define void @test3( 100 ; CHECK: catchswitch within none 101 ; CHECK: store i32 1, i32* %bc, align 4 102 ; CHECK: store i32 2, i32* %bc2, align 4 103 104 declare void @may_throw() 105 106 declare i32 @pure_computation() nounwind argmemonly readonly 107 108 declare i32 @__CxxFrameHandler3(...) 109
