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29f94c7201
This commit starts with a "git mv ARM64 AArch64" and continues out from there, renaming the C++ classes, intrinsics, and other target-local objects for consistency. "ARM64" test directories are also moved, and tests that began their life in ARM64 use an arm64 triple, those from AArch64 use an aarch64 triple. Both should be equivalent though. This finishes the AArch64 merge, and everyone should feel free to continue committing as normal now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209577 91177308-0d34-0410-b5e6-96231b3b80d8
39 lines
1.7 KiB
LLVM
39 lines
1.7 KiB
LLVM
; RUN: opt -S -loop-reduce < %s | FileCheck %s
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; Scaling factor in addressing mode are costly.
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; Make loop-reduce prefer unscaled accesses.
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; <rdar://problem/13806271>
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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"
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target triple = "arm64-apple-ios7.0.0"
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; Function Attrs: nounwind ssp
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define void @mulDouble(double* nocapture %a, double* nocapture %b, double* nocapture %c) {
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; CHECK: @mulDouble
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entry:
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br label %for.body
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for.body: ; preds = %for.body, %entry
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; CHECK: [[IV:%[^ ]+]] = phi i64 [ [[IVNEXT:%[^,]+]], %for.body ], [ 0, %entry ]
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; Only one induction variable should have been generated.
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; CHECK-NOT: phi
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%indvars.iv = phi i64 [ 1, %entry ], [ %indvars.iv.next, %for.body ]
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%tmp = add nsw i64 %indvars.iv, -1
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%arrayidx = getelementptr inbounds double* %b, i64 %tmp
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%tmp1 = load double* %arrayidx, align 8
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; The induction variable should carry the scaling factor: 1 * 8 = 8.
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; CHECK: [[IVNEXT]] = add nuw nsw i64 [[IV]], 8
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%indvars.iv.next = add i64 %indvars.iv, 1
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%arrayidx2 = getelementptr inbounds double* %c, i64 %indvars.iv.next
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%tmp2 = load double* %arrayidx2, align 8
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%mul = fmul double %tmp1, %tmp2
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%arrayidx4 = getelementptr inbounds double* %a, i64 %indvars.iv
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store double %mul, double* %arrayidx4, align 8
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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; Comparison should be 19 * 8 = 152.
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; CHECK: icmp eq i32 {{%[^,]+}}, 152
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%exitcond = icmp eq i32 %lftr.wideiv, 20
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body
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ret void
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}
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