| ; RUN: opt < %s -passes=partial-inliner -skip-partial-inlining-cost-analysis -S | FileCheck %s |
| ; RUN: opt < %s -passes=partial-inliner -max-num-inline-blocks=2 -S | FileCheck --check-prefix=LIMIT %s |
| |
| ; Function Attrs: nounwind uwtable |
| define i32 @bar(i32 %arg) local_unnamed_addr #0 { |
| bb: |
| %tmp = icmp slt i32 %arg, 0 |
| br i1 %tmp, label %bb4, label %bb1 |
| |
| bb1: ; preds = %bb |
| %tmp2 = tail call i32 (...) @channels() #1 |
| %tmp3 = icmp slt i32 %tmp2, %arg |
| br i1 %tmp3, label %bb4, label %bb5 |
| |
| bb4: ; preds = %bb1, %bb |
| tail call void (...) @foo() #1 |
| tail call void (...) @foo() #1 |
| tail call void (...) @foo() #1 |
| tail call void (...) @foo() #1 |
| tail call void (...) @foo() #1 |
| tail call void (...) @foo() #1 |
| tail call void (...) @foo() #1 |
| tail call void (...) @foo() #1 |
| tail call void (...) @foo() #1 |
| br label %bb5 |
| |
| bb5: ; preds = %bb4, %bb1 |
| %.0 = phi i32 [ 0, %bb4 ], [ 1, %bb1 ] |
| ret i32 %.0 |
| } |
| |
| declare i32 @channels(...) local_unnamed_addr |
| |
| declare void @foo(...) local_unnamed_addr |
| |
| ; Function Attrs: nounwind uwtable |
| define i32 @dummy_caller(i32 %arg) local_unnamed_addr #0 { |
| bb: |
| ; CHECK-LABEL: @dummy_caller |
| ; CHECK: br i1 |
| ; CHECK: br i1 |
| ; CHECK: call void @bar.2. |
| ; LIMIT-LABEL: @dummy_caller |
| ; LIMIT-NOT: br |
| ; LIMIT: call i32 @bar( |
| %tmp = tail call i32 @bar(i32 %arg) |
| ret i32 %tmp |
| } |
| |
| define i32 @bar_multi_ret(i32 %arg) local_unnamed_addr #0 { |
| bb: |
| %tmp = icmp slt i32 %arg, 0 |
| br i1 %tmp, label %bb4, label %bb1 |
| |
| bb1: ; preds = %bb |
| %tmp2 = tail call i32 (...) @channels() #1 |
| %tmp3 = icmp slt i32 %tmp2, %arg |
| br i1 %tmp3, label %bb4, label %bb5 |
| |
| bb4: ; preds = %bb1, %bb |
| tail call void (...) @foo() #1 |
| tail call void (...) @foo() #1 |
| tail call void (...) @foo() #1 |
| tail call void (...) @foo() #1 |
| %tmp4 = icmp slt i32 %arg, 10 |
| br i1 %tmp4, label %bb6, label %bb5 |
| bb6: |
| tail call void (...) @foo() #1 |
| %tmp5 = icmp slt i32 %arg, 3 |
| br i1 %tmp5, label %bb7, label %bb5 |
| bb7: |
| tail call void (...) @foo() #1 |
| br label %bb8 |
| bb8: |
| ret i32 0 |
| |
| bb5: ; preds = %bb4, %bb1 |
| %.0 = phi i32 [ 0, %bb4 ], [ 1, %bb1 ], [0, %bb6] |
| ret i32 %.0 |
| } |
| |
| define i32 @dummy_caller2(i32 %arg) local_unnamed_addr #0 { |
| ; CHECK: br i1 |
| ; CHECK: br i1 |
| ; CHECK: call {{.*}} @bar_multi_ret.1. |
| %tmp = tail call i32 @bar_multi_ret(i32 %arg) |
| ret i32 %tmp |
| } |
| |
| attributes #0 = { nounwind uwtable } |
| attributes #1 = { nounwind } |
| |
| !llvm.ident = !{!0} |
| |
| !0 = !{!"clang version 5.0.0 (trunk 300576)"} |