1 files changed, 74 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/half.ll b/test/CodeGen/ARM/half.ll
new file mode 100644
index 0000000..10cebb3
--- /dev/null
+++ b/test/CodeGen/ARM/half.ll
@@ -0,0 +1,74 @@
+; RUN: llc < %s -mtriple=thumbv7-apple-ios7.0 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-OLD
+; RUN: llc < %s -mtriple=thumbv7s-apple-ios7.0 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-F16
+; RUN: llc < %s -mtriple=thumbv8-apple-ios7.0 | FileCheck %s --check-prefix=CHECK  --check-prefix=CHECK-V8
+
+define void @test_load_store(half* %in, half* %out) {
+; CHECK-LABEL: test_load_store:
+; CHECK: ldrh [[TMP:r[0-9]+]], [r0]
+; CHECK: strh [[TMP]], [r1]
+  %val = load half* %in
+  store half %val, half* %out
+  ret void
+}
+
+define i16 @test_bitcast_from_half(half* %addr) {
+; CHECK-LABEL: test_bitcast_from_half:
+; CHECK: ldrh r0, [r0]
+  %val = load half* %addr
+  %val_int = bitcast half %val to i16
+  ret i16 %val_int
+}
+
+define void @test_bitcast_to_half(half* %addr, i16 %in) {
+; CHECK-LABEL: test_bitcast_to_half:
+; CHECK: strh r1, [r0]
+  %val_fp = bitcast i16 %in to half
+  store half %val_fp, half* %addr
+  ret void
+}
+
+define float @test_extend32(half* %addr) {
+; CHECK-LABEL: test_extend32:
+
+; CHECK-OLD: b.w ___gnu_h2f_ieee
+; CHECK-F16: vcvtb.f32.f16
+; CHECK-V8: vcvtb.f32.f16
+  %val16 = load half* %addr
+  %val32 = fpext half %val16 to float
+  ret float %val32
+}
+
+define double @test_extend64(half* %addr) {
+; CHECK-LABEL: test_extend64:
+
+; CHECK-OLD: blx ___gnu_h2f_ieee
+; CHECK-OLD: vcvt.f64.f32
+; CHECK-F16: vcvtb.f32.f16
+; CHECK-F16: vcvt.f64.f32
+; CHECK-V8: vcvtb.f64.f16
+  %val16 = load half* %addr
+  %val32 = fpext half %val16 to double
+  ret double %val32
+}
+
+define void @test_trunc32(float %in, half* %addr) {
+; CHECK-LABEL: test_trunc32:
+
+; CHECK-OLD: blx ___gnu_f2h_ieee
+; CHECK-F16: vcvtb.f16.f32
+; CHECK-V8: vcvtb.f16.f32
+  %val16 = fptrunc float %in to half
+  store half %val16, half* %addr
+  ret void
+}
+
+define void @test_trunc64(double %in, half* %addr) {
+; CHECK-LABEL: test_trunc64:
+
+; CHECK-OLD: blx ___truncdfhf2
+; CHECK-F16: blx ___truncdfhf2
+; CHECK-V8: vcvtb.f16.f64
+  %val16 = fptrunc double %in to half
+  store half %val16, half* %addr
+  ret void
+}