cost_meta.ll
1.34 KB
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; RUN: opt -S < %s -partial-inliner -partial-inlining-extra-penalty=2000 | FileCheck %s
; RUN: opt -S < %s -passes=partial-inliner -partial-inlining-extra-penalty=2000 | FileCheck %s
define i32 @outline_region_notlikely(i32* %arg) local_unnamed_addr {
bb:
; ptr != null is predicted to be true
%tmp = icmp ne i32* %arg, null
br i1 %tmp, label %bb8, label %bb1, !prof !2
; bb1 is not likely
bb1: ; preds = %bb
%tmp2 = tail call i32 @foo(i32* nonnull %arg)
%tmp3 = tail call i32 @foo(i32* nonnull %arg)
%tmp4 = tail call i32 @foo(i32* nonnull %arg)
%tmp5 = tail call i32 @foo(i32* nonnull %arg)
%tmp6 = tail call i32 @foo(i32* nonnull %arg)
%tmp7 = tail call i32 @foo(i32* nonnull %arg)
br label %bb8
bb8: ; preds = %bb1, %bb
%tmp9 = phi i32 [ 0, %bb1 ], [ 1, %bb ]
ret i32 %tmp9
}
define i32 @dummy_caller(i32* %arg) local_unnamed_addr {
; CHECK-LABEL: @dummy_caller
%tmp = call i32 @outline_region_notlikely(i32* %arg)
ret i32 %tmp
}
; CHECK-LABEL: define internal void @outline_region_notlikely.1.bb1(i32* %arg) {
; CHECK-NEXT: newFuncRoot:
declare i32 @foo(i32 * %arg)
!llvm.module.flags = !{!0}
!llvm.ident = !{!1}
!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{!"clang version 5.0.0 (trunk 304489)"}
!2 = !{!"branch_weights", i32 2000, i32 1}