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