67 lines
2.0 KiB
LLVM
67 lines
2.0 KiB
LLVM
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; RUN: opt < %s -partial-inliner -skip-partial-inlining-cost-analysis -S | FileCheck %s
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; RUN: opt < %s -passes=partial-inliner -skip-partial-inlining-cost-analysis -S | FileCheck %s
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%"class.base" = type { %"struct.base"* }
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%"struct.base" = type opaque
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@g = external local_unnamed_addr global i32, align 4
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define i32 @callee_unknown_use2(i32 %arg) local_unnamed_addr #0 {
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; CHECK-LABEL:define{{.*}}@callee_unknown_use2.{{[0-9]}}
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; CHECK-NOT: alloca
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bb:
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%tmp = alloca i32, align 4
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%tmp1 = bitcast i32* %tmp to i8*
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%tmp2 = load i32, i32* @g, align 4, !tbaa !2
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%tmp3 = add nsw i32 %tmp2, 1
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%tmp4 = icmp slt i32 %arg, 0
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br i1 %tmp4, label %bb6, label %bb5
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bb5: ; preds = %bb
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call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %tmp1) #2
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store i32 %tmp3, i32* %tmp, align 4, !tbaa !2
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store i32 %tmp3, i32* @g, align 4, !tbaa !2
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call void @bar(i32* nonnull %tmp) #2
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call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %tmp1) #2
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br label %bb6
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bb6: ; preds = %bb5, %bb
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%tmp7 = phi i32 [ 1, %bb5 ], [ 0, %bb ]
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%tmp10 = bitcast i8* %tmp1 to i32*
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ret i32 %tmp7
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}
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; Function Attrs: argmemonly nounwind
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declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
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declare void @bar(i32*) local_unnamed_addr #2
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declare void @bar2(i32*, i32*) local_unnamed_addr #1
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; Function Attrs: argmemonly nounwind
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declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
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; Function Attrs: nounwind uwtable
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define i32 @caller(i32 %arg) local_unnamed_addr #0 {
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bb:
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%tmp = tail call i32 @callee_unknown_use2(i32 %arg)
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ret i32 %tmp
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}
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attributes #0 = { nounwind uwtable}
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attributes #1 = { argmemonly nounwind }
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attributes #2 = { nounwind }
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!llvm.module.flags = !{!0}
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!llvm.ident = !{!1}
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!0 = !{i32 1, !"wchar_size", i32 4}
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!1 = !{!"clang version 5.0.0 (trunk 303574)"}
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!2 = !{!3, !3, i64 0}
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!3 = !{!"int", !4, i64 0}
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!4 = !{!"omnipotent char", !5, i64 0}
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!5 = !{!"Simple C/C++ TBAA"}
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