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| author | dim <dim@FreeBSD.org> | 2012-04-14 13:54:10 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2012-04-14 13:54:10 +0000 |
| commit | 1fc08f5e9ef733ef1ce6f363fecedc2260e78974 (patch) | |
| tree | 19c69a04768629f2d440944b71cbe90adae0b615 /test/Transforms/LoopUnroll/partial-unroll-optsize.ll | |
| parent | 07637c87f826cdf411f0673595e9bc92ebd793f2 (diff) | |
| download | FreeBSD-src-1fc08f5e9ef733ef1ce6f363fecedc2260e78974.zip FreeBSD-src-1fc08f5e9ef733ef1ce6f363fecedc2260e78974.tar.gz | |
Vendor import of llvm trunk r154661:
http://llvm.org/svn/llvm-project/llvm/trunk@r154661
Diffstat (limited to 'test/Transforms/LoopUnroll/partial-unroll-optsize.ll')
| -rw-r--r-- | test/Transforms/LoopUnroll/partial-unroll-optsize.ll | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/Transforms/LoopUnroll/partial-unroll-optsize.ll b/test/Transforms/LoopUnroll/partial-unroll-optsize.ll new file mode 100644 index 0000000..3179d55e --- /dev/null +++ b/test/Transforms/LoopUnroll/partial-unroll-optsize.ll @@ -0,0 +1,35 @@ +; RUN: opt < %s -S -loop-unroll -unroll-allow-partial | FileCheck %s +; Loop size = 3, when the function has the optsize attribute, the +; OptSizeUnrollThreshold, i.e. 50, is used, hence the loop should be unrolled +; by 16 times because 3 * 16 < 50. +define void @unroll_opt_for_size() nounwind optsize { +entry: + br label %loop + +loop: + %iv = phi i32 [ 0, %entry ], [ %inc, %loop ] + %inc = add i32 %iv, 1 + %exitcnd = icmp uge i32 %inc, 1024 + br i1 %exitcnd, label %exit, label %loop + +exit: + ret void +} + +; CHECK: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK-NEXT: icmp |
