44 lines
1.4 KiB
LLVM
44 lines
1.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -passes=indvars < %s | FileCheck %s
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; This test used to assert when expanding an addrec into a loop without
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; preheader.
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define void @test(ptr %tgt) {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: bb31:
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; CHECK-NEXT: indirectbr ptr [[TGT:%.*]], [label [[EXIT:%.*]], label %bb33]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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; CHECK: bb33:
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; CHECK-NEXT: [[TMP34:%.*]] = phi i32 [ [[TMP50:%.*]], [[BB49:%.*]] ], [ 0, [[BB31:%.*]] ]
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; CHECK-NEXT: br i1 false, label [[BB40_PREHEADER:%.*]], label [[BB49]]
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; CHECK: bb40.preheader:
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; CHECK-NEXT: br label [[BB40:%.*]]
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; CHECK: bb40:
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; CHECK-NEXT: br label [[BB40]]
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; CHECK: bb49:
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; CHECK-NEXT: [[TMP50]] = add i32 [[TMP34]], 1
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; CHECK-NEXT: br label [[BB33:%.*]]
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;
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bb31:
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indirectbr ptr %tgt, [label %exit, label %bb33]
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exit:
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ret void
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bb33: ; preds = %bb49, %bb31
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%tmp34 = phi i32 [ %tmp50, %bb49 ], [ 0, %bb31 ]
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%tmp36 = add i32 %tmp34, 1
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br i1 false, label %bb40, label %bb49
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bb40: ; preds = %bb38, %bb37
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%tmp41 = phi i32 [ %tmp36, %bb33 ], [ %tmp39, %bb40 ]
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%tmp39 = add i32 %tmp41, 0
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br label %bb40
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bb49: ; preds = %bb35
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%tmp50 = add i32 %tmp34, 1
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br label %bb33
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}
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