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98 lines
3.4 KiB
LLVM
98 lines
3.4 KiB
LLVM
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; RUN: llc -verify-machineinstrs < %s
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;
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; The lowering of a switch combined with constand folding would leave spurious extra arguments on a PHI instruction.
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;
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target triple = "x86_64-apple-darwin10"
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define void @foo() {
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br label %cond_true813.i
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cond_true813.i: ; preds = %0
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br i1 false, label %cond_true818.i, label %cond_next1146.i
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cond_true818.i: ; preds = %cond_true813.i
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br i1 false, label %recog_memoized.exit52, label %cond_next1146.i
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recog_memoized.exit52: ; preds = %cond_true818.i
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switch i32 0, label %bb886.i.preheader [
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i32 0, label %bb907.i
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i32 44, label %bb866.i
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i32 103, label %bb874.i
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i32 114, label %bb874.i
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]
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bb857.i: ; preds = %bb886.i, %bb866.i
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%tmp862.i494.24 = phi i8* [ null, %bb866.i ], [ %tmp862.i494.26, %bb886.i ] ; <i8*> [#uses=1]
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switch i32 0, label %bb886.i.preheader [
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i32 0, label %bb907.i
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i32 44, label %bb866.i
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i32 103, label %bb874.i
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i32 114, label %bb874.i
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]
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bb866.i.loopexit: ; preds = %bb874.i
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br label %bb866.i
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bb866.i.loopexit31: ; preds = %cond_true903.i
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br label %bb866.i
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bb866.i: ; preds = %bb866.i.loopexit31, %bb866.i.loopexit, %bb857.i, %recog_memoized.exit52
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br i1 false, label %bb907.i, label %bb857.i
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bb874.i.preheader.loopexit: ; preds = %cond_true903.i, %cond_true903.i
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ret void
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bb874.i: ; preds = %bb857.i, %bb857.i, %recog_memoized.exit52, %recog_memoized.exit52
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switch i32 0, label %bb886.i.preheader.loopexit [
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i32 0, label %bb907.i
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i32 44, label %bb866.i.loopexit
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i32 103, label %bb874.i.backedge
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i32 114, label %bb874.i.backedge
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]
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bb874.i.backedge: ; preds = %bb874.i, %bb874.i
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ret void
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bb886.i.preheader.loopexit: ; preds = %bb874.i
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ret void
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bb886.i.preheader: ; preds = %bb857.i, %recog_memoized.exit52
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%tmp862.i494.26 = phi i8* [ undef, %recog_memoized.exit52 ], [ %tmp862.i494.24, %bb857.i ] ; <i8*> [#uses=1]
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br label %bb886.i
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bb886.i: ; preds = %cond_true903.i, %bb886.i.preheader
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br i1 false, label %bb857.i, label %cond_true903.i
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cond_true903.i: ; preds = %bb886.i
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switch i32 0, label %bb886.i [
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i32 0, label %bb907.i
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i32 44, label %bb866.i.loopexit31
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i32 103, label %bb874.i.preheader.loopexit
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i32 114, label %bb874.i.preheader.loopexit
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]
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bb907.i: ; preds = %cond_true903.i, %bb874.i, %bb866.i, %bb857.i, %recog_memoized.exit52
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br i1 false, label %cond_next1146.i, label %cond_true910.i
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cond_true910.i: ; preds = %bb907.i
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ret void
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cond_next1146.i: ; preds = %bb907.i, %cond_true818.i, %cond_true813.i
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ret void
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bb2060.i: ; No predecessors!
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br i1 false, label %cond_true2064.i, label %bb2067.i
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cond_true2064.i: ; preds = %bb2060.i
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unreachable
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bb2067.i: ; preds = %bb2060.i
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ret void
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cond_next3473: ; No predecessors!
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ret void
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cond_next3521: ; No predecessors!
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ret void
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}
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