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45 lines
1.4 KiB
LLVM
45 lines
1.4 KiB
LLVM
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; RUN: opt -loop-reduce -S < %s | FileCheck %s
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;
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; Indirect branch in the preheader crashes replaceCongruentIVs.
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; rdar://12910141
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32-S128"
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; CHECK: @test
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; CHECK: bb8:
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; CHECK-NEXT: phi i8
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; CHECK-NEXT: phi i8
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; CHECK: ret void
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define void @test() nounwind ssp {
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bb:
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br label %bb190
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bb8: ; preds = %bb190, %bb11
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%tmp = phi i8 [ %tmp14, %bb11 ], [ 25, %bb190 ]
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%tmp9 = phi i8 [ %tmp12, %bb11 ], [ 25, %bb190 ]
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%tmp10 = add i8 %tmp, -5
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indirectbr i8* undef, [label %bb11, label %bb15]
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bb11: ; preds = %bb8
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%tmp12 = add i8 %tmp9, 1
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%tmp13 = add i8 %tmp9, -19
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%tmp14 = add i8 %tmp, 1
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indirectbr i8* undef, [label %bb8]
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bb15: ; preds = %bb8
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indirectbr i8* undef, [label %bb16]
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bb16: ; preds = %bb16, %bb15
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indirectbr i8* undef, [label %bb37, label %bb190]
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bb37: ; preds = %bb190
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indirectbr i8* undef, [label %bb38]
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bb38: ; preds = %bb37, %bb5
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ret void
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bb190: ; preds = %bb189, %bb187
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indirectbr i8* undef, [label %bb37, label %bb8]
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}
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