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[ARM] Add a test case for disabled neon/fpu features.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192440 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Amara Emerson 2013-10-11 11:07:00 +00:00
parent a6e253ddd0
commit 4fc2774b43
1 changed files with 33 additions and 0 deletions
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33
test/CodeGen/ARM/no-fpu.ll Normal file
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; RUN: llc < %s -mtriple=armv7-none-gnueabi -mattr=-neon,-vfp2 | FileCheck --check-prefix=NONEON-NOVFP %s
; RUN: llc < %s -mtriple=armv7-none-gnueabi -mattr=-neon | FileCheck --check-prefix=NONEON %s
; RUN: llc < %s -mtriple=armv7-none-gnueabi -mattr=-vfp2 | FileCheck --check-prefix=NOVFP %s
; RUN: llc < %s -mtriple=armv7-none-gnueabi -mattr=-neon,+vfp2 | FileCheck --check-prefix=NONEON-VFP %s
; Check no NEON instructions are selected when feature is disabled.
define void @neonop(i64* nocapture readonly %a, i64* nocapture %b) #0 {
%1 = bitcast i64* %a to <2 x i64>*
%wide.load = load <2 x i64>* %1, align 8
; NONEON-NOVFP-NOT: vld1.64
; NONEON-NOT: vld1.64
%add = add <2 x i64> %wide.load, %wide.load
; NONEON-NOVFP-NOT: vadd.i64
; NONEON-NOT: vadd.i64
%2 = bitcast i64* %b to <2 x i64>*
store <2 x i64> %add, <2 x i64>* %2, align 8
; NONEON-NOVFP-NOT: vst1.64
; NONEON-NOT: vst1.64
ret void
}
; Likewise with VFP instructions.
define double @fpmult(double %a, double %b) {
%res = fmul double %a, %b
; NONEON-NOVFP-NOT: vmov
; NONEON-NOVFP-NOT: vmul.f64
; NOVFP-NOT: vmov
; NOVFP-NOT: vmul.f64
; NONEON-VFP: vmov
; NONEON-VFP: vmul.f64
ret double %res
}