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70dbe266d3
We try to hoist the insertion point as high as possible to encourage sharing. However, we must be careful not to hoist into a catchswitch as it is both an EHPad and a terminator. llvm-svn: 264344
51 lines
1.7 KiB
LLVM
51 lines
1.7 KiB
LLVM
; RUN: opt < %s -loop-reduce -S | FileCheck %s
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target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-windows-msvc18.0.0"
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%struct.L = type { i8, i8* }
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declare i32 @__CxxFrameHandler3(...)
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@GV1 = external global %struct.L*
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@GV2 = external global %struct.L
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define void @b_copy_ctor() personality i32 (...)* @__CxxFrameHandler3 {
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entry:
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%0 = load %struct.L*, %struct.L** @GV1, align 8
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br label %for.cond
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for.cond: ; preds = %call.i.noexc, %entry
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%d.0 = phi %struct.L* [ %0, %entry ], [ %incdec.ptr, %call.i.noexc ]
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invoke void @a_copy_ctor()
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to label %call.i.noexc unwind label %catch.dispatch
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call.i.noexc: ; preds = %for.cond
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%incdec.ptr = getelementptr inbounds %struct.L, %struct.L* %d.0, i64 1
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br label %for.cond
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catch.dispatch: ; preds = %for.cond
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%1 = catchswitch within none [label %catch] unwind to caller
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catch: ; preds = %catch.dispatch
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%2 = catchpad within %1 [i8* null, i32 64, i8* null]
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%cmp16 = icmp eq %struct.L* %0, %d.0
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br i1 %cmp16, label %for.end, label %for.body
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for.body: ; preds = %for.body, %catch
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%cmp = icmp eq %struct.L* @GV2, %d.0
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br i1 %cmp, label %for.end, label %for.body
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for.end: ; preds = %for.body, %catch
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catchret from %2 to label %try.cont
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try.cont: ; preds = %for.end
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ret void
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}
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; CHECK-LABEL: define void @b_copy_ctor(
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; CHECK: catchpad
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; CHECK-NEXT: icmp eq %struct.L
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; CHECK-NEXT: getelementptr {{.*}} i64 sub (i64 0, i64 ptrtoint (%struct.L* @GV2 to i64))
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declare void @a_copy_ctor()
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