--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/CodeGen/AArch64/f16-convert.ll	Mon Sep 08 22:06:00 2014 +0900
@@ -0,0 +1,251 @@
+; RUN: llc < %s -mtriple=arm64-apple-ios -asm-verbose=false | FileCheck %s
+
+define float @load0(i16* nocapture readonly %a) nounwind {
+; CHECK-LABEL: load0:
+; CHECK-NEXT: ldr [[HREG:h[0-9]+]], [x0]
+; CHECK-NEXT: fcvt s0, [[HREG]]
+; CHECK-NEXT: ret
+
+  %tmp = load i16* %a, align 2
+  %tmp1 = tail call float @llvm.convert.from.fp16.f32(i16 %tmp)
+  ret float %tmp1
+}
+
+define double @load1(i16* nocapture readonly %a) nounwind {
+; CHECK-LABEL: load1:
+; CHECK-NEXT: ldr [[HREG:h[0-9]+]], [x0]
+; CHECK-NEXT: fcvt d0, [[HREG]]
+; CHECK-NEXT: ret
+
+  %tmp = load i16* %a, align 2
+  %conv = tail call double @llvm.convert.from.fp16.f64(i16 %tmp)
+  ret double %conv
+}
+
+define float @load2(i16* nocapture readonly %a, i32 %i) nounwind {
+; CHECK-LABEL: load2:
+; CHECK-NEXT: ldr [[HREG:h[0-9]+]], [x0, w1, sxtw #1]
+; CHECK-NEXT: fcvt s0, [[HREG]]
+; CHECK-NEXT: ret
+
+  %idxprom = sext i32 %i to i64
+  %arrayidx = getelementptr inbounds i16* %a, i64 %idxprom
+  %tmp = load i16* %arrayidx, align 2
+  %tmp1 = tail call float @llvm.convert.from.fp16.f32(i16 %tmp)
+  ret float %tmp1
+}
+
+define double @load3(i16* nocapture readonly %a, i32 %i) nounwind {
+; CHECK-LABEL: load3:
+; CHECK-NEXT: ldr [[HREG:h[0-9]+]], [x0, w1, sxtw #1]
+; CHECK-NEXT: fcvt d0, [[HREG]]
+; CHECK-NEXT: ret
+
+  %idxprom = sext i32 %i to i64
+  %arrayidx = getelementptr inbounds i16* %a, i64 %idxprom
+  %tmp = load i16* %arrayidx, align 2
+  %conv = tail call double @llvm.convert.from.fp16.f64(i16 %tmp)
+  ret double %conv
+}
+
+define float @load4(i16* nocapture readonly %a, i64 %i) nounwind {
+; CHECK-LABEL: load4:
+; CHECK-NEXT: ldr [[HREG:h[0-9]+]], [x0, x1, lsl #1]
+; CHECK-NEXT: fcvt s0, [[HREG]]
+; CHECK-NEXT: ret
+
+  %arrayidx = getelementptr inbounds i16* %a, i64 %i
+  %tmp = load i16* %arrayidx, align 2
+  %tmp1 = tail call float @llvm.convert.from.fp16.f32(i16 %tmp)
+  ret float %tmp1
+}
+
+define double @load5(i16* nocapture readonly %a, i64 %i) nounwind {
+; CHECK-LABEL: load5:
+; CHECK-NEXT: ldr [[HREG:h[0-9]+]], [x0, x1, lsl #1]
+; CHECK-NEXT: fcvt d0, [[HREG]]
+; CHECK-NEXT: ret
+
+  %arrayidx = getelementptr inbounds i16* %a, i64 %i
+  %tmp = load i16* %arrayidx, align 2
+  %conv = tail call double @llvm.convert.from.fp16.f64(i16 %tmp)
+  ret double %conv
+}
+
+define float @load6(i16* nocapture readonly %a) nounwind {
+; CHECK-LABEL: load6:
+; CHECK-NEXT: ldr [[HREG:h[0-9]+]], [x0, #20]
+; CHECK-NEXT: fcvt s0, [[HREG]]
+; CHECK-NEXT: ret
+
+  %arrayidx = getelementptr inbounds i16* %a, i64 10
+  %tmp = load i16* %arrayidx, align 2
+  %tmp1 = tail call float @llvm.convert.from.fp16.f32(i16 %tmp)
+  ret float %tmp1
+}
+
+define double @load7(i16* nocapture readonly %a) nounwind {
+; CHECK-LABEL: load7:
+; CHECK-NEXT: ldr [[HREG:h[0-9]+]], [x0, #20]
+; CHECK-NEXT: fcvt d0, [[HREG]]
+; CHECK-NEXT: ret
+
+  %arrayidx = getelementptr inbounds i16* %a, i64 10
+  %tmp = load i16* %arrayidx, align 2
+  %conv = tail call double @llvm.convert.from.fp16.f64(i16 %tmp)
+  ret double %conv
+}
+
+define float @load8(i16* nocapture readonly %a) nounwind {
+; CHECK-LABEL: load8:
+; CHECK-NEXT: ldur [[HREG:h[0-9]+]], [x0, #-20]
+; CHECK-NEXT: fcvt s0, [[HREG]]
+; CHECK-NEXT: ret
+
+  %arrayidx = getelementptr inbounds i16* %a, i64 -10
+  %tmp = load i16* %arrayidx, align 2
+  %tmp1 = tail call float @llvm.convert.from.fp16.f32(i16 %tmp)
+  ret float %tmp1
+}
+
+define double @load9(i16* nocapture readonly %a) nounwind {
+; CHECK-LABEL: load9:
+; CHECK-NEXT: ldur [[HREG:h[0-9]+]], [x0, #-20]
+; CHECK-NEXT: fcvt d0, [[HREG]]
+; CHECK-NEXT: ret
+
+  %arrayidx = getelementptr inbounds i16* %a, i64 -10
+  %tmp = load i16* %arrayidx, align 2
+  %conv = tail call double @llvm.convert.from.fp16.f64(i16 %tmp)
+  ret double %conv
+}
+
+define void @store0(i16* nocapture %a, float %val) nounwind {
+; CHECK-LABEL: store0:
+; CHECK-NEXT: fcvt h0, s0
+; CHECK-NEXT: str  h0, [x0]
+; CHECK-NEXT: ret
+
+  %tmp = tail call i16 @llvm.convert.to.fp16.f32(float %val)
+  store i16 %tmp, i16* %a, align 2
+  ret void
+}
+
+define void @store1(i16* nocapture %a, double %val) nounwind {
+; CHECK-LABEL: store1:
+; CHECK-NEXT: fcvt h0, d0
+; CHECK-NEXT: str  h0, [x0]
+; CHECK-NEXT: ret
+
+  %conv = fptrunc double %val to float
+  %tmp = tail call i16 @llvm.convert.to.fp16.f32(float %conv)
+  store i16 %tmp, i16* %a, align 2
+  ret void
+}
+
+define void @store2(i16* nocapture %a, i32 %i, float %val) nounwind {
+; CHECK-LABEL: store2:
+; CHECK-NEXT: fcvt h0, s0
+; CHECK-NEXT: str h0, [x0, w1, sxtw #1]
+; CHECK-NEXT: ret
+
+  %tmp = tail call i16 @llvm.convert.to.fp16.f32(float %val)
+  %idxprom = sext i32 %i to i64
+  %arrayidx = getelementptr inbounds i16* %a, i64 %idxprom
+  store i16 %tmp, i16* %arrayidx, align 2
+  ret void
+}
+
+define void @store3(i16* nocapture %a, i32 %i, double %val) nounwind {
+; CHECK-LABEL: store3:
+; CHECK-NEXT: fcvt h0, d0
+; CHECK-NEXT: str h0, [x0, w1, sxtw #1]
+; CHECK-NEXT: ret
+
+  %conv = fptrunc double %val to float
+  %tmp = tail call i16 @llvm.convert.to.fp16.f32(float %conv)
+  %idxprom = sext i32 %i to i64
+  %arrayidx = getelementptr inbounds i16* %a, i64 %idxprom
+  store i16 %tmp, i16* %arrayidx, align 2
+  ret void
+}
+
+define void @store4(i16* nocapture %a, i64 %i, float %val) nounwind {
+; CHECK-LABEL: store4:
+; CHECK-NEXT: fcvt h0, s0
+; CHECK-NEXT: str h0, [x0, x1, lsl #1]
+; CHECK-NEXT: ret
+
+  %tmp = tail call i16 @llvm.convert.to.fp16.f32(float %val)
+  %arrayidx = getelementptr inbounds i16* %a, i64 %i
+  store i16 %tmp, i16* %arrayidx, align 2
+  ret void
+}
+
+define void @store5(i16* nocapture %a, i64 %i, double %val) nounwind {
+; CHECK-LABEL: store5:
+; CHECK-NEXT: fcvt h0, d0
+; CHECK-NEXT: str h0, [x0, x1, lsl #1]
+; CHECK-NEXT: ret
+
+  %conv = fptrunc double %val to float
+  %tmp = tail call i16 @llvm.convert.to.fp16.f32(float %conv)
+  %arrayidx = getelementptr inbounds i16* %a, i64 %i
+  store i16 %tmp, i16* %arrayidx, align 2
+  ret void
+}
+
+define void @store6(i16* nocapture %a, float %val) nounwind {
+; CHECK-LABEL: store6:
+; CHECK-NEXT: fcvt h0, s0
+; CHECK-NEXT: str h0, [x0, #20]
+; CHECK-NEXT: ret
+
+  %tmp = tail call i16 @llvm.convert.to.fp16.f32(float %val)
+  %arrayidx = getelementptr inbounds i16* %a, i64 10
+  store i16 %tmp, i16* %arrayidx, align 2
+  ret void
+}
+
+define void @store7(i16* nocapture %a, double %val) nounwind {
+; CHECK-LABEL: store7:
+; CHECK-NEXT: fcvt h0, d0
+; CHECK-NEXT: str h0, [x0, #20]
+; CHECK-NEXT: ret
+
+  %conv = fptrunc double %val to float
+  %tmp = tail call i16 @llvm.convert.to.fp16.f32(float %conv)
+  %arrayidx = getelementptr inbounds i16* %a, i64 10
+  store i16 %tmp, i16* %arrayidx, align 2
+  ret void
+}
+
+define void @store8(i16* nocapture %a, float %val) nounwind {
+; CHECK-LABEL: store8:
+; CHECK-NEXT: fcvt h0, s0
+; CHECK-NEXT: stur h0, [x0, #-20]
+; CHECK-NEXT: ret
+
+  %tmp = tail call i16 @llvm.convert.to.fp16.f32(float %val)
+  %arrayidx = getelementptr inbounds i16* %a, i64 -10
+  store i16 %tmp, i16* %arrayidx, align 2
+  ret void
+}
+
+define void @store9(i16* nocapture %a, double %val) nounwind {
+; CHECK-LABEL: store9:
+; CHECK-NEXT: fcvt h0, d0
+; CHECK-NEXT: stur h0, [x0, #-20]
+; CHECK-NEXT: ret
+
+  %conv = fptrunc double %val to float
+  %tmp = tail call i16 @llvm.convert.to.fp16.f32(float %conv)
+  %arrayidx = getelementptr inbounds i16* %a, i64 -10
+  store i16 %tmp, i16* %arrayidx, align 2
+  ret void
+}
+
+declare i16 @llvm.convert.to.fp16.f32(float) nounwind readnone
+declare float @llvm.convert.from.fp16.f32(i16) nounwind readnone
+declare i16 @llvm.convert.to.fp16.f64(double) nounwind readnone
+declare double @llvm.convert.from.fp16.f64(i16) nounwind readnone