64 lines
2.2 KiB
LLVM
64 lines
2.2 KiB
LLVM
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; RUN: opt -S -indvars -indvars-predicate-loops=0 < %s | FileCheck %s
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.10.0"
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@a = common global i32 0, align 4
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; Function Attrs: nounwind ssp uwtable
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define void @fn1() {
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; CHECK-LABEL: @fn1(
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bb:
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br label %bb4.preheader
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bb4.preheader: ; preds = %bb, %bb16
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; CHECK-LABEL: bb4.preheader:
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%b.03 = phi i8 [ 0, %bb ], [ %tmp17, %bb16 ]
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; CHECK: %tmp9 = icmp ugt i8 %b.03, 1
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; CHECK-NOT: %tmp9 = icmp ugt i8 0, 1
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%tmp9 = icmp ugt i8 %b.03, 1
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br i1 %tmp9, label %bb4.preheader.bb18.loopexit.split_crit_edge, label %bb4.preheader.bb4.preheader.split_crit_edge
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bb4.preheader.bb4.preheader.split_crit_edge: ; preds = %bb4.preheader
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br label %bb4.preheader.split
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bb4.preheader.bb18.loopexit.split_crit_edge: ; preds = %bb4.preheader
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store i32 0, i32* @a, align 4
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br label %bb18.loopexit.split
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bb4.preheader.split: ; preds = %bb4.preheader.bb4.preheader.split_crit_edge
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br label %bb7
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bb4: ; preds = %bb7
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%tmp6 = icmp slt i32 %storemerge2, 0
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br i1 %tmp6, label %bb7, label %bb16
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bb7: ; preds = %bb4.preheader.split, %bb4
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%storemerge2 = phi i32 [ 0, %bb4.preheader.split ], [ %tmp14, %bb4 ]
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%tmp14 = add nsw i32 %storemerge2, 1
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br i1 false, label %bb18.loopexit, label %bb4
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bb16: ; preds = %bb4
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%tmp14.lcssa5 = phi i32 [ %tmp14, %bb4 ]
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%tmp17 = add i8 %b.03, -1
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%tmp2 = icmp eq i8 %tmp17, -2
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br i1 %tmp2, label %bb18.loopexit1, label %bb4.preheader
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bb18.loopexit: ; preds = %bb7
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br label %bb18.loopexit.split
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bb18.loopexit.split: ; preds = %bb4.preheader.bb18.loopexit.split_crit_edge, %bb18.loopexit
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br label %bb18
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bb18.loopexit1: ; preds = %bb16
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%tmp14.lcssa5.lcssa = phi i32 [ %tmp14.lcssa5, %bb16 ]
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store i32 %tmp14.lcssa5.lcssa, i32* @a, align 4
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br label %bb18
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bb18: ; preds = %bb18.loopexit1, %bb18.loopexit.split
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ret void
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}
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declare void @abort()
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