diff options
Diffstat (limited to 'test/Analysis')
-rw-r--r-- | test/Analysis/BlockFrequencyInfo/basic.ll | 24 | ||||
-rw-r--r-- | test/Analysis/BlockFrequencyInfo/dg.exp | 3 |
2 files changed, 27 insertions, 0 deletions
diff --git a/test/Analysis/BlockFrequencyInfo/basic.ll b/test/Analysis/BlockFrequencyInfo/basic.ll new file mode 100644 index 0000000..c09e3ff --- /dev/null +++ b/test/Analysis/BlockFrequencyInfo/basic.ll @@ -0,0 +1,24 @@ +; RUN: opt < %s -analyze -block-freq | FileCheck %s + +define i32 @test1(i32 %i, i32* %a) { +; CHECK: Printing analysis {{.*}} for function 'test1' +; CHECK: entry = 1024 +entry: + br label %body + +; Loop backedges are weighted and thus their bodies have a greater frequency. +; CHECK: body = 31744 +body: + %iv = phi i32 [ 0, %entry ], [ %next, %body ] + %base = phi i32 [ 0, %entry ], [ %sum, %body ] + %arrayidx = getelementptr inbounds i32* %a, i32 %iv + %0 = load i32* %arrayidx + %sum = add nsw i32 %0, %base + %next = add i32 %iv, 1 + %exitcond = icmp eq i32 %next, %i + br i1 %exitcond, label %exit, label %body + +; CHECK: exit = 1024 +exit: + ret i32 %sum +} diff --git a/test/Analysis/BlockFrequencyInfo/dg.exp b/test/Analysis/BlockFrequencyInfo/dg.exp new file mode 100644 index 0000000..f200589 --- /dev/null +++ b/test/Analysis/BlockFrequencyInfo/dg.exp @@ -0,0 +1,3 @@ +load_lib llvm.exp + +RunLLVMTests [lsort [glob -nocomplain $srcdir/$subdir/*.{ll,c,cpp}]] |