65 lines
2.1 KiB
LLVM
65 lines
2.1 KiB
LLVM
; RUN: opt -S < %s -partial-inliner -partial-inlining-extra-penalty=10 | FileCheck %s
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; RUN: opt -S < %s -passes=partial-inliner -partial-inlining-extra-penalty=10 | FileCheck %s
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define i32 @outline_region_notlikely(i32* %arg) local_unnamed_addr {
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bb:
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; ptr != null is predicted to be true
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%tmp = icmp ne i32* %arg, null
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br i1 %tmp, label %bb8, label %bb1
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; bb1 is not likely
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bb1: ; preds = %bb
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%tmp2 = tail call i32 @foo(i32* nonnull %arg)
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%tmp3 = tail call i32 @foo(i32* nonnull %arg)
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%tmp4 = tail call i32 @foo(i32* nonnull %arg)
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%tmp5 = tail call i32 @foo(i32* nonnull %arg)
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%tmp6 = tail call i32 @foo(i32* nonnull %arg)
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%tmp7 = tail call i32 @foo(i32* nonnull %arg)
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br label %bb8
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bb8: ; preds = %bb1, %bb
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%tmp9 = phi i32 [ 0, %bb1 ], [ 1, %bb ]
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ret i32 %tmp9
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}
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define i32 @outline_region_likely(i32* %arg) local_unnamed_addr {
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bb:
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; ptr == null is predicted to be false
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%tmp = icmp eq i32* %arg, null
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br i1 %tmp, label %bb8, label %bb1
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; bb1 is likely
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bb1: ; preds = %bb
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%tmp2 = tail call i32 @foo(i32* nonnull %arg)
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%tmp3 = tail call i32 @foo(i32* nonnull %arg)
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%tmp4 = tail call i32 @foo(i32* nonnull %arg)
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%tmp5 = tail call i32 @foo(i32* nonnull %arg)
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%tmp6 = tail call i32 @foo(i32* nonnull %arg)
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%tmp7 = tail call i32 @foo(i32* nonnull %arg)
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br label %bb8
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bb8: ; preds = %bb1, %bb
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%tmp9 = phi i32 [ 0, %bb1 ], [ 1, %bb ]
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ret i32 %tmp9
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}
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declare i32 @foo(i32* %arg)
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define i32 @dummy_caller(i32* %arg) local_unnamed_addr {
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; CHECK-LABEL: @dummy_caller
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%tmp = call i32 @outline_region_notlikely(i32* %arg)
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; CHECK: call void @outline_region_notlikely.2.bb1
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%tmp2 = tail call i32 @outline_region_likely(i32* %arg)
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; CHECK: %tmp2 = tail call i32 @outline_region_likely(i32* %arg)
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ret i32 %tmp
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}
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; CHECK-LABEL: define internal void @outline_region_notlikely.2.bb1(i32* %arg) {
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; CHECK-NEXT: newFuncRoot:
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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 304489)"}
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