159 lines
6.3 KiB
LLVM
159 lines
6.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -licm -S | FileCheck %s
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; RUN: opt -aa-pipeline=basic-aa -passes='require<aa>,require<targetir>,require<scalar-evolution>,require<opt-remark-emit>,loop-mssa(licm)' < %s -S | FileCheck %s
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target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
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target triple = "i386-pc-windows-msvc18.0.0"
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define void @test1(ptr %s, i1 %b) personality ptr @__CxxFrameHandler3 {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP0:%.*]] = call i32 @pure_computation()
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; CHECK-NEXT: br label [[WHILE_COND:%.*]]
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; CHECK: while.cond:
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; CHECK-NEXT: br i1 [[B:%.*]], label [[TRY_CONT_LOOPEXIT:%.*]], label [[WHILE_BODY:%.*]]
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; CHECK: while.body:
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; CHECK-NEXT: invoke void @may_throw()
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; CHECK-NEXT: to label [[WHILE_COND]] unwind label [[CATCH_DISPATCH:%.*]]
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; CHECK: catch.dispatch:
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; CHECK-NEXT: [[DOTLCSSA1:%.*]] = phi i32 [ [[TMP0]], [[WHILE_BODY]] ]
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; CHECK-NEXT: [[CS:%.*]] = catchswitch within none [label %catch] unwind to caller
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; CHECK: catch:
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; CHECK-NEXT: [[CP:%.*]] = catchpad within [[CS]] [ptr null, i32 64, ptr null]
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; CHECK-NEXT: store i32 [[DOTLCSSA1]], ptr [[S:%.*]], align 4
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; CHECK-NEXT: catchret from [[CP]] to label [[TRY_CONT:%.*]]
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; CHECK: try.cont.loopexit:
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; CHECK-NEXT: br label [[TRY_CONT]]
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; CHECK: try.cont:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %while.cond
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while.cond: ; preds = %while.body, %entry
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%0 = call i32 @pure_computation()
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br i1 %b, label %try.cont, label %while.body
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while.body: ; preds = %while.cond
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invoke void @may_throw()
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to label %while.cond unwind label %catch.dispatch
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catch.dispatch: ; preds = %while.body
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%.lcssa1 = phi i32 [ %0, %while.body ]
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%cs = catchswitch within none [label %catch] unwind to caller
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catch: ; preds = %catch.dispatch
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%cp = catchpad within %cs [ptr null, i32 64, ptr null]
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store i32 %.lcssa1, ptr %s
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catchret from %cp to label %try.cont
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try.cont: ; preds = %catch, %while.cond
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ret void
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}
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define void @test2(ptr %s, i1 %b) personality ptr @__CxxFrameHandler3 {
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[WHILE_COND:%.*]]
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; CHECK: while.cond:
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; CHECK-NEXT: br i1 [[B:%.*]], label [[TRY_CONT:%.*]], label [[WHILE_BODY:%.*]]
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; CHECK: while.body:
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; CHECK-NEXT: invoke void @may_throw()
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; CHECK-NEXT: to label [[WHILE_COND]] unwind label [[CATCH_DISPATCH:%.*]]
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; CHECK: catch.dispatch:
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; CHECK-NEXT: [[CP:%.*]] = cleanuppad within none []
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; CHECK-NEXT: [[TMP0:%.*]] = call i32 @pure_computation() [ "funclet"(token [[CP]]) ]
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; CHECK-NEXT: store i32 [[TMP0]], ptr [[S:%.*]], align 4
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; CHECK-NEXT: cleanupret from [[CP]] unwind to caller
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; CHECK: try.cont:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %while.cond
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while.cond: ; preds = %while.body, %entry
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%0 = call i32 @pure_computation()
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br i1 %b, label %try.cont, label %while.body
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while.body: ; preds = %while.cond
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invoke void @may_throw()
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to label %while.cond unwind label %catch.dispatch
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catch.dispatch: ; preds = %while.body
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%.lcssa1 = phi i32 [ %0, %while.body ]
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%cp = cleanuppad within none []
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store i32 %.lcssa1, ptr %s
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cleanupret from %cp unwind to caller
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try.cont: ; preds = %catch, %while.cond
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ret void
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}
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define void @test3(i1 %a, i1 %b, i1 %c) personality ptr @__CxxFrameHandler3 {
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; CHECK-LABEL: @test3(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[DOTFRAME:%.*]] = alloca i8, align 4
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; CHECK-NEXT: [[DOTFRAME2:%.*]] = alloca i8, align 4
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; CHECK-NEXT: br i1 [[A:%.*]], label [[TRY_SUCCESS_OR_CAUGHT:%.*]], label [[FORBODY_PREHEADER:%.*]]
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; CHECK: forbody.preheader:
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; CHECK-NEXT: store i32 1, ptr [[DOTFRAME]], align 4
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; CHECK-NEXT: store i32 2, ptr [[DOTFRAME2]], align 4
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; CHECK-NEXT: br label [[FORBODY:%.*]]
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; CHECK: catch.object.Throwable:
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; CHECK-NEXT: [[CP:%.*]] = catchpad within [[CS:%.*]] [ptr null, i32 64, ptr null]
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; CHECK-NEXT: unreachable
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; CHECK: try.success.or.caught.loopexit:
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; CHECK-NEXT: br label [[TRY_SUCCESS_OR_CAUGHT]]
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; CHECK: try.success.or.caught:
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; CHECK-NEXT: ret void
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; CHECK: postinvoke:
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; CHECK-NEXT: br i1 [[B:%.*]], label [[ELSE:%.*]], label [[FORCOND_BACKEDGE:%.*]]
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; CHECK: forcond.backedge:
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; CHECK-NEXT: br i1 [[C:%.*]], label [[TRY_SUCCESS_OR_CAUGHT_LOOPEXIT:%.*]], label [[FORBODY]]
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; CHECK: catch.dispatch:
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; CHECK-NEXT: [[CS]] = catchswitch within none [label %catch.object.Throwable] unwind to caller
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; CHECK: forbody:
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; CHECK-NEXT: invoke void @may_throw()
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; CHECK-NEXT: to label [[POSTINVOKE:%.*]] unwind label [[CATCH_DISPATCH:%.*]]
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; CHECK: else:
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; CHECK-NEXT: invoke void @may_throw()
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; CHECK-NEXT: to label [[FORCOND_BACKEDGE]] unwind label [[CATCH_DISPATCH]]
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;
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entry:
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%.frame = alloca i8, align 4
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%.frame2 = alloca i8, align 4
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br i1 %a, label %try.success.or.caught, label %forbody
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catch.object.Throwable: ; preds = %catch.dispatch
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%cp = catchpad within %cs [ptr null, i32 64, ptr null]
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unreachable
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try.success.or.caught: ; preds = %forcond.backedge, %0
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ret void
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postinvoke: ; preds = %forbody
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br i1 %b, label %else, label %forcond.backedge
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forcond.backedge: ; preds = %else, %postinvoke
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br i1 %c, label %try.success.or.caught, label %forbody
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catch.dispatch: ; preds = %else, %forbody
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%cs = catchswitch within none [label %catch.object.Throwable] unwind to caller
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forbody: ; preds = %forcond.backedge, %0
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store i32 1, ptr %.frame, align 4
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store i32 2, ptr %.frame2, align 4
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invoke void @may_throw()
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to label %postinvoke unwind label %catch.dispatch
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else: ; preds = %postinvoke
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invoke void @may_throw()
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to label %forcond.backedge unwind label %catch.dispatch
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}
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declare void @may_throw()
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declare i32 @pure_computation() nounwind argmemonly readonly willreturn
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declare i32 @__CxxFrameHandler3(...)
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