diff options
Diffstat (limited to 'llvm/test/Transforms/LoopUnroll/PowerPC/p7-unrolling.ll')
| -rw-r--r-- | llvm/test/Transforms/LoopUnroll/PowerPC/p7-unrolling.ll | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoopUnroll/PowerPC/p7-unrolling.ll b/llvm/test/Transforms/LoopUnroll/PowerPC/p7-unrolling.ll new file mode 100644 index 00000000000..b2ea74a75da --- /dev/null +++ b/llvm/test/Transforms/LoopUnroll/PowerPC/p7-unrolling.ll @@ -0,0 +1,51 @@ +; RUN: opt < %s -S -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -loop-unroll | FileCheck %s +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-LABEL: @unroll_opt_for_size +; CHECK: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK: icmp + +define void @unroll_default() nounwind { +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-LABEL: @unroll_default +; CHECK: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK-NEXT: add +; CHECK: icmp + |
