1 files changed, 83 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/half.ll b/test/CodeGen/AArch64/half.ll
new file mode 100644
index 0000000..a46094b
--- /dev/null
+++ b/test/CodeGen/AArch64/half.ll
@@ -0,0 +1,83 @@
+; RUN: llc < %s -mtriple=arm64-apple-ios7.0 | FileCheck %s
+
+define void @test_load_store(half* %in, half* %out) {
+; CHECK-LABEL: test_load_store:
+; CHECK: ldr [[TMP:h[0-9]+]], [x0]
+; CHECK: str [[TMP]], [x1]
+  %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 w0, [x0]
+  %val = load half* %addr
+  %val_int = bitcast half %val to i16
+  ret i16 %val_int
+}
+
+define i16 @test_reg_bitcast_from_half(half %in) {
+; CHECK-LABEL: test_reg_bitcast_from_half:
+; CHECK-NOT: str
+; CHECK-NOT: ldr
+; CHECK-DAG: fmov w0, s0
+; CHECK: ret
+  %val = bitcast half %in to i16
+  ret i16 %val
+}
+
+define void @test_bitcast_to_half(half* %addr, i16 %in) {
+; CHECK-LABEL: test_bitcast_to_half:
+; CHECK: strh w1, [x0]
+  %val_fp = bitcast i16 %in to half
+  store half %val_fp, half* %addr
+  ret void
+}
+
+define half @test_reg_bitcast_to_half(i16 %in) {
+; CHECK-LABEL: test_reg_bitcast_to_half:
+; CHECK-NOT: str
+; CHECK-NOT: ldr
+; CHECK-DAG: fmov s0, w0
+; CHECK: ret
+
+  %val = bitcast i16 %in to half
+  ret half %val
+}
+
+define float @test_extend32(half* %addr) {
+; CHECK-LABEL: test_extend32:
+; CHECK: fcvt {{s[0-9]+}}, {{h[0-9]+}}
+
+  %val16 = load half* %addr
+  %val32 = fpext half %val16 to float
+  ret float %val32
+}
+
+define double @test_extend64(half* %addr) {
+; CHECK-LABEL: test_extend64:
+; CHECK: fcvt {{d[0-9]+}}, {{h[0-9]+}}
+
+  %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: fcvt {{h[0-9]+}}, {{s[0-9]+}}
+
+  %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: fcvt {{h[0-9]+}}, {{d[0-9]+}}
+
+  %val16 = fptrunc double %in to half
+  store half %val16, half* %addr
+  ret void
+}