forked from OSchip/llvm-project
108 lines
3.8 KiB
LLVM
108 lines
3.8 KiB
LLVM
; RUN: opt < %s -licm -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(i32* %s, i1 %b) personality i32 (...)* @__CxxFrameHandler3 {
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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 [i8* null, i32 64, i8* null]
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store i32 %.lcssa1, i32* %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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; CHECK-LABEL: define void @test1(
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; CHECK: %[[CALL:.*]] = call i32 @pure_computation()
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; CHECK: phi i32 [ %[[CALL]]
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define void @test2(i32* %s, i1 %b) personality i32 (...)* @__CxxFrameHandler3 {
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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, i32* %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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; CHECK-LABEL: define void @test2(
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; CHECK: %[[CP:.*]] = cleanuppad within none []
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; CHECK-NEXT: %[[CALL:.*]] = call i32 @pure_computation() [ "funclet"(token %[[CP]]) ]
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; CHECK-NEXT: store i32 %[[CALL]], i32* %s
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; CHECK-NEXT: cleanupret from %[[CP]] unwind to caller
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define void @test3(i1 %a, i1 %b, i1 %c) personality i32 (...)* @__CxxFrameHandler3 {
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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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%bc = bitcast i8* %.frame to i32*
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%bc2 = bitcast i8* %.frame2 to i32*
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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 [i8* null, i32 64, i8* 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, i32* %bc, align 4
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store i32 2, i32* %bc2, 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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; CHECK-LABEL: define void @test3(
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; CHECK: catchswitch within none
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; CHECK: store i32 1, i32* %bc, align 4
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; CHECK: store i32 2, i32* %bc2, align 4
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declare void @may_throw()
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declare i32 @pure_computation() nounwind argmemonly readonly
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declare i32 @__CxxFrameHandler3(...)
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