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This implements the review suggestion to simplify the AArch64 backend. If we later discover that we *really* need the extra complexity of the ConstantIslands pass for performance reasons it can be resurrected. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175258 91177308-0d34-0410-b5e6-96231b3b80d8
17 lines
552 B
LLVM
17 lines
552 B
LLVM
; RUN: llc -mtriple=aarch64-none-linux-gnu -verify-machineinstrs < %s | FileCheck %s
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declare void @bar(i8*, i8*, i32*)
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; SelectionDAG used to try to fold some fp128 operations using the ppc128 type,
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; which is not supported.
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define fp128 @test_folding() {
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; CHECK: test_folding:
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%l = alloca i32
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store i32 42, i32* %l
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%val = load i32* %l
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%fpval = sitofp i32 %val to fp128
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; If the value is loaded from a constant pool into an fp128, it's been folded
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; successfully.
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; CHECK: ldr {{q[0-9]+}}, [{{x[0-9]+}}, #:lo12:.LCPI
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ret fp128 %fpval
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} |