PartialInlineCallRef.ll
1.55 KB
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; RUN: opt < %s -partial-inliner -S | FileCheck %s
; RUN: opt < %s -passes=partial-inliner -S | FileCheck %s
; Function Attrs: nounwind
declare void @foo(...) local_unnamed_addr #0
; Function Attrs: noinline
define i32 @caller(i32 (i32)* nocapture %arg, i32 (i32)* nocapture %arg1, i32 %arg2) local_unnamed_addr #1 {
bb:
%tmp = tail call i32 %arg(i32 %arg2) #0
%tmp3 = tail call i32 %arg1(i32 %arg2) #0
%tmp4 = add nsw i32 %tmp3, %tmp
ret i32 %tmp4
}
; Function Attrs: nounwind
define i32 @bar(i32 %arg) #0 {
bb:
%tmp = icmp slt i32 %arg, 0
br i1 %tmp, label %bb1, label %bb2
bb1: ; preds = %bb
tail call void (...) @foo() #0
tail call void (...) @foo() #0
tail call void (...) @foo() #0
tail call void (...) @foo() #0
tail call void (...) @foo() #0
tail call void (...) @foo() #0
tail call void (...) @foo() #0
tail call void (...) @foo() #0
tail call void (...) @foo() #0
br label %bb2
bb2: ; preds = %bb1, %bb
%tmp3 = phi i32 [ 0, %bb1 ], [ 1, %bb ]
ret i32 %tmp3
}
; Function Attrs: nounwind
define i32 @dummy_caller(i32 %arg) local_unnamed_addr #0 {
bb:
; CHECK-LABEL: @dummy_caller
; check that caller is not wrongly inlined by partial inliner
; CHECK: call i32 @caller
; CHECK-NOT: call .* @bar
%tmp = tail call i32 @caller(i32 (i32)* nonnull @bar, i32 (i32)* nonnull @bar, i32 %arg)
ret i32 %tmp
}
attributes #0 = { nounwind }
attributes #1 = { noinline }
!llvm.ident = !{!0}
!0 = !{!"clang version 5.0.0 (trunk 300897) (llvm/trunk 300947)"}