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Diffstat (limited to 'test/Transforms/LoopUnroll/basic.ll')
| -rw-r--r-- | test/Transforms/LoopUnroll/basic.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/Transforms/LoopUnroll/basic.ll b/test/Transforms/LoopUnroll/basic.ll index eeb3e9a..ab5bc56 100644 --- a/test/Transforms/LoopUnroll/basic.ll +++ b/test/Transforms/LoopUnroll/basic.ll @@ -22,3 +22,26 @@ l1: ; preds = %l1, %entry l2: ; preds = %l1 ret i32 0 } + +; This should not unroll since the call is 'noduplicate'. + +; CHECK: @test2 +define i32 @test2(i8** %P) nounwind ssp { +entry: + br label %l1 + +l1: ; preds = %l1, %entry + %x.0 = phi i32 [ 0, %entry ], [ %inc, %l1 ] +; CHECK: call void @f() +; CHECK-NOT: call void @f() + call void @f() noduplicate + %inc = add nsw i32 %x.0, 1 + %exitcond = icmp eq i32 %inc, 3 + br i1 %exitcond, label %l2, label %l1 + +l2: ; preds = %l1 + ret i32 0 +; CHECK: } +} + +declare void @f() |
