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Diffstat (limited to 'test/Transforms/LoopVectorize/induction.ll')
| -rw-r--r-- | test/Transforms/LoopVectorize/induction.ll | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/test/Transforms/LoopVectorize/induction.ll b/test/Transforms/LoopVectorize/induction.ll new file mode 100644 index 0000000000..48bb438a86 --- /dev/null +++ b/test/Transforms/LoopVectorize/induction.ll @@ -0,0 +1,30 @@ +; RUN: opt < %s -loop-vectorize -force-vector-unroll=1 -force-vector-width=2 -S | FileCheck %s + +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" + +; Make sure that we can handle multiple integer induction variables. +; CHECK: multi_int_induction +; CHECK: vector.body: +; CHECK: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] +; CHECK: %normalized.idx = sub i64 %index, 0 +; CHECK: %[[VAR:.*]] = trunc i64 %normalized.idx to i32 +; CHECK: %offset.idx = add i32 190, %[[VAR]] +define void @multi_int_induction(i32* %A, i32 %N) { +for.body.lr.ph: + br label %for.body + +for.body: + %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ] + %count.09 = phi i32 [ 190, %for.body.lr.ph ], [ %inc, %for.body ] + %arrayidx2 = getelementptr inbounds i32* %A, i64 %indvars.iv + store i32 %count.09, i32* %arrayidx2, align 4 + %inc = add nsw i32 %count.09, 1 + %indvars.iv.next = add i64 %indvars.iv, 1 + %lftr.wideiv = trunc i64 %indvars.iv.next to i32 + %exitcond = icmp ne i32 %lftr.wideiv, %N + br i1 %exitcond, label %for.body, label %for.end + +for.end: + ret void +} + |