diff options
Diffstat (limited to 'test/CodeGen/ARM64/scaled_iv.ll')
-rw-r--r-- | test/CodeGen/ARM64/scaled_iv.ll | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/test/CodeGen/ARM64/scaled_iv.ll b/test/CodeGen/ARM64/scaled_iv.ll deleted file mode 100644 index 987373e542..0000000000 --- a/test/CodeGen/ARM64/scaled_iv.ll +++ /dev/null @@ -1,38 +0,0 @@ -; RUN: opt -S -loop-reduce < %s | FileCheck %s -; Scaling factor in addressing mode are costly. -; Make loop-reduce prefer unscaled accesses. -; <rdar://problem/13806271> -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-n32:64-S128" -target triple = "arm64-apple-ios7.0.0" - -; Function Attrs: nounwind ssp -define void @mulDouble(double* nocapture %a, double* nocapture %b, double* nocapture %c) { -; CHECK: @mulDouble -entry: - br label %for.body - -for.body: ; preds = %for.body, %entry -; CHECK: [[IV:%[^ ]+]] = phi i64 [ [[IVNEXT:%[^,]+]], %for.body ], [ 0, %entry ] -; Only one induction variable should have been generated. -; CHECK-NOT: phi - %indvars.iv = phi i64 [ 1, %entry ], [ %indvars.iv.next, %for.body ] - %tmp = add nsw i64 %indvars.iv, -1 - %arrayidx = getelementptr inbounds double* %b, i64 %tmp - %tmp1 = load double* %arrayidx, align 8 -; The induction variable should carry the scaling factor: 1 * 8 = 8. -; CHECK: [[IVNEXT]] = add nuw nsw i64 [[IV]], 8 - %indvars.iv.next = add i64 %indvars.iv, 1 - %arrayidx2 = getelementptr inbounds double* %c, i64 %indvars.iv.next - %tmp2 = load double* %arrayidx2, align 8 - %mul = fmul double %tmp1, %tmp2 - %arrayidx4 = getelementptr inbounds double* %a, i64 %indvars.iv - store double %mul, double* %arrayidx4, align 8 - %lftr.wideiv = trunc i64 %indvars.iv.next to i32 -; Comparison should be 19 * 8 = 152. -; CHECK: icmp eq i32 {{%[^,]+}}, 152 - %exitcond = icmp eq i32 %lftr.wideiv, 20 - br i1 %exitcond, label %for.end, label %for.body - -for.end: ; preds = %for.body - ret void -} |