diff options
Diffstat (limited to 'test/Transforms/LoopVectorize/XCore/no-vector-registers.ll')
| -rw-r--r-- | test/Transforms/LoopVectorize/XCore/no-vector-registers.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/Transforms/LoopVectorize/XCore/no-vector-registers.ll b/test/Transforms/LoopVectorize/XCore/no-vector-registers.ll new file mode 100644 index 0000000..a099daa --- /dev/null +++ b/test/Transforms/LoopVectorize/XCore/no-vector-registers.ll @@ -0,0 +1,23 @@ +; RUN: opt < %s -loop-vectorize -force-vector-width=4 -force-vector-unroll=2 -S -mtriple=xcore | FileCheck %s + +target datalayout = "e-p:32:32:32-a0:0:32-n32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f16:16:32-f32:32:32-f64:32:32" +target triple = "xcore" +; The xcore target has no vector registers, so loop should not be vectorized. +;CHECK-LABEL: @f( +;CHECK: entry: +;CHECK-NOT: vector.body +;CHECK-NEXT: br label %do.body +define void @f(i8* nocapture %ptr, i32 %len) { +entry: + br label %do.body +do.body: + %ptr.addr.0 = phi i8* [ %ptr, %entry ], [ %incdec.ptr, %do.body ] + %len.addr.0 = phi i32 [ %len, %entry ], [ %dec, %do.body ] + %incdec.ptr = getelementptr inbounds i8* %ptr.addr.0, i32 1 + store i8 0, i8* %ptr.addr.0, align 1 + %dec = add nsw i32 %len.addr.0, -1 + %tobool = icmp eq i32 %len.addr.0, 0 + br i1 %tobool, label %do.end, label %do.body +do.end: + ret void +} |