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05450ae128
and simplifies expressions. This implements the optimization described in PR807. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29947 91177308-0d34-0410-b5e6-96231b3b80d8
50 lines
1.6 KiB
LLVM
50 lines
1.6 KiB
LLVM
; RUN: llvm-as < %s | opt -predsimplify -verify
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; ModuleID = 'bugpoint-reduced-simplified.bc'
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target endian = little
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target pointersize = 32
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target triple = "i686-pc-linux-gnu"
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deplibs = [ "c", "crtend" ]
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%struct.anon = type { %struct.set_family*, %struct.set_family*, %struct.set_family*, sbyte*, int, uint*, %struct.pair_struct*, sbyte**, %struct.symbolic_t*, %struct.symbolic_t* }
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%struct.pair_struct = type { int, int*, int* }
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%struct.set_family = type { int, int, int, int, int, uint*, %struct.set_family* }
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%struct.symbolic_label_t = type { sbyte*, %struct.symbolic_label_t* }
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%struct.symbolic_list_t = type { int, int, %struct.symbolic_list_t* }
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%struct.symbolic_t = type { %struct.symbolic_list_t*, int, %struct.symbolic_label_t*, int, %struct.symbolic_t* }
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implementation ; Functions:
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void %find_pairing_cost(int %strategy) {
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entry:
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br bool false, label %cond_true299, label %bb314
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bb94: ; preds = %cond_true299
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switch int %strategy, label %bb246 [
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int 0, label %bb196
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int 1, label %bb159
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]
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cond_next113: ; preds = %cond_true299
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switch int %strategy, label %bb246 [
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int 0, label %bb196
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int 1, label %bb159
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]
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bb159: ; preds = %cond_next113, %bb94
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ret void
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bb196: ; preds = %cond_next113, %bb94
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%Rsave.0.3 = phi %struct.set_family* [ null, %bb94 ], [ null, %cond_next113 ] ; <%struct.set_family*> [#uses=0]
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ret void
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bb246: ; preds = %cond_next113, %bb94
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br label %bb314
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cond_true299: ; preds = %entry
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%tmp55 = setgt int %strategy, 0 ; <bool> [#uses=1]
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br bool %tmp55, label %bb94, label %cond_next113
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bb314: ; preds = %bb246, %entry
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ret void
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}
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