forked from OSchip/llvm-project
41 lines
1.1 KiB
LLVM
41 lines
1.1 KiB
LLVM
; RUN: opt < %s -partial-inliner -S | FileCheck %s
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; RUN: opt < %s -passes=partial-inliner -S | FileCheck %s
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; Check that we do not overcompute the outlined region cost, where the PHIs in
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; the outlined region entry (BB4) are moved outside the region by CodeExtractor.
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define i32 @bar(i32 %arg) {
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bb:
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%tmp = icmp slt i32 %arg, 0
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br i1 %tmp, label %bb1, label %bb2
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bb1:
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br i1 undef, label %bb4, label %bb2
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bb2: ; preds = %bb, %bb1
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br i1 undef, label %bb4, label %bb5
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bb4: ; preds = %bb1, %bb2
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%xx1 = phi i32 [ 1, %bb1 ], [ 9, %bb2 ]
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%xx2 = phi i32 [ 1, %bb1 ], [ 9, %bb2 ]
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%xx3 = phi i32 [ 1, %bb1 ], [ 9, %bb2 ]
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tail call void (...) @foo() #2
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br label %bb5
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bb5: ; preds = %bb4, %bb2
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%tmp6 = phi i32 [ 1, %bb2 ], [ 9, %bb4 ]
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ret i32 %tmp6
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}
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declare void @foo(...)
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define i32 @dummy_caller(i32 %arg) {
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bb:
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; CHECK-LABEL: @dummy_caller
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; CHECK: br i1
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; CHECK: br i1
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; CHECK: call void @bar.1.
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%tmp = tail call i32 @bar(i32 %arg)
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ret i32 %tmp
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}
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