47 lines
1.2 KiB
LLVM
47 lines
1.2 KiB
LLVM
; RUN: opt -S -basicaa -slp-vectorizer < %s | FileCheck %s
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target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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target triple = "arm64-apple-ios5.0.0"
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; Holding a value live over a call boundary may require
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; spills and fills. This is the case for <2 x double>,
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; as it occupies a Q register of which there are no
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; callee-saves.
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; CHECK: load double
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; CHECK: load double
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; CHECK: call void @g
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; CHECK: store double
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; CHECK: store double
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define void @f(double* %p, double* %q) {
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%addr2 = getelementptr double, double* %q, i32 1
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%addr = getelementptr double, double* %p, i32 1
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%x = load double, double* %p
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%y = load double, double* %addr
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call void @g()
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store double %x, double* %q
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store double %y, double* %addr2
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ret void
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}
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declare void @g()
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; Check we deal with loops correctly.
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;
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; CHECK: store <2 x double>
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; CHECK: load <2 x double>
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define void @f2(double* %p, double* %q) {
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entry:
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br label %loop
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loop:
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%p1 = phi double [0.0, %entry], [%x, %loop]
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%p2 = phi double [0.0, %entry], [%y, %loop]
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%addr2 = getelementptr double, double* %q, i32 1
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%addr = getelementptr double, double* %p, i32 1
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store double %p1, double* %q
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store double %p2, double* %addr2
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%x = load double, double* %p
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%y = load double, double* %addr
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br label %loop
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}
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