summaryrefslogtreecommitdiff
path: root/test/CodeGen
diff options
context:
space:
mode:
authorAmara Emerson <amara.emerson@arm.com>2013-10-11 11:07:00 +0000
committerAmara Emerson <amara.emerson@arm.com>2013-10-11 11:07:00 +0000
commit4fc2774b438c6c09f487362e53d5ac1a84edea73 (patch)
treed1d089de98cb2d6315a963982d50873355b5e576 /test/CodeGen
parenta6e253ddd0f757101fe97105d60a1e098ca5f33c (diff)
downloadllvm-4fc2774b438c6c09f487362e53d5ac1a84edea73.tar.gz
llvm-4fc2774b438c6c09f487362e53d5ac1a84edea73.tar.bz2
llvm-4fc2774b438c6c09f487362e53d5ac1a84edea73.tar.xz
[ARM] Add a test case for disabled neon/fpu features.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192440 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen')
-rw-r--r--test/CodeGen/ARM/no-fpu.ll33
1 files changed, 33 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/no-fpu.ll b/test/CodeGen/ARM/no-fpu.ll
new file mode 100644
index 0000000000..fff4bccb80
--- /dev/null
+++ b/test/CodeGen/ARM/no-fpu.ll
@@ -0,0 +1,33 @@
+; 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
+}
+