llvm-6502/test/CodeGen/ARM64/fp128-folding.ll
Tim Northover 7b837d8c75 ARM64: initial backend import
This adds a second implementation of the AArch64 architecture to LLVM,
accessible in parallel via the "arm64" triple. The plan over the
coming weeks & months is to merge the two into a single backend,
during which time thorough code review should naturally occur.

Everything will be easier with the target in-tree though, hence this
commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205090 91177308-0d34-0410-b5e6-96231b3b80d8
2014-03-29 10:18:08 +00:00

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527 B
LLVM

; RUN: llc -march=arm64 -verify-machineinstrs < %s | FileCheck %s
declare void @bar(i8*, i8*, i32*)
; SelectionDAG used to try to fold some fp128 operations using the ppc128 type,
; which is not supported.
define fp128 @test_folding() {
; CHECK-LABEL: test_folding:
%l = alloca i32
store i32 42, i32* %l
%val = load i32* %l
%fpval = sitofp i32 %val to fp128
; If the value is loaded from a constant pool into an fp128, it's been folded
; successfully.
; CHECK: ldr {{q[0-9]+}}, [{{x[0-9]+}},
ret fp128 %fpval
}