Fix pattern match for movi with 0D result

Patch by Jiangning Liu.

With some test case changes:
- intrinsic test added to the existing /test/CodeGen/AArch64/neon-aba-abd.ll.
- New test cases to cover movi 1D scenario without using the intrinsic in
test/CodeGen/AArch64/neon-mov.ll.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196806 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/AArch64/AArch64InstrNEON.td b/lib/Target/AArch64/AArch64InstrNEON.td
index a273468041c747182335bc8c345f3f5fddc8f297..04167a14bb85b10e6df2385d4b4e831718141685 100644 (file)
--- a/lib/Target/AArch64/AArch64InstrNEON.td
+++ b/lib/Target/AArch64/AArch64InstrNEON.td
@@ -1437,9 +1437,8 @@ let isReMaterializable = 1 in {
 def MOVIdi : NeonI_1VModImm<0b0, 0b1,
                            (outs FPR64:$Rd), (ins neon_uimm64_mask:$Imm),
                            "movi\t $Rd, $Imm",
-                           [(set (f64 FPR64:$Rd),
-                              (f64 (bitconvert
-                                (v1i64 (Neon_movi (timm:$Imm), (i32 imm))))))],
+                           [(set (v1i64 FPR64:$Rd),
+                             (v1i64 (Neon_movi (timm:$Imm), (i32 imm))))],
                            NoItinerary> {
   let cmode = 0b1110;
 }

diff --git a/test/CodeGen/AArch64/neon-aba-abd.ll b/test/CodeGen/AArch64/neon-aba-abd.ll
index ee22a45c751bfc4e50c6ba05853c22d3bf1f4cc3..54009849ef601400f5a3bede9709d58ad90d3ab8 100644 (file)
--- a/test/CodeGen/AArch64/neon-aba-abd.ll
+++ b/test/CodeGen/AArch64/neon-aba-abd.ll
@@ -157,6 +157,16 @@ define <2 x i32> @test_sabd_v2i32(<2 x i32> %lhs, <2 x i32> %rhs) {
   ret <2 x i32> %abd
 }
 
+define <2 x i32> @test_sabd_v2i32_const() {
+; CHECK: test_sabd_v2i32_const:
+; CHECK: movi     d1, #0xffffffff0000
+; CHECK-NEXT: sabd v0.2s, v0.2s, v1.2s
+  %1 = tail call <2 x i32> @llvm.arm.neon.vabds.v2i32(
+    <2 x i32> <i32 -2147483648, i32 2147450880>,
+    <2 x i32> <i32 -65536, i32 65535>)
+  ret <2 x i32> %1
+}
+
 define <2 x i32> @test_saba_v2i32(<2 x i32> %lhs, <2 x i32> %rhs) {
 ; CHECK: test_saba_v2i32:
   %abd = call <2 x i32> @llvm.arm.neon.vabds.v2i32(<2 x i32> %lhs, <2 x i32> %rhs)

diff --git a/test/CodeGen/AArch64/neon-mov.ll b/test/CodeGen/AArch64/neon-mov.ll
index 42f6a894da643207feb7604b62e9f7dc6374fe37..60b13b8b9a0ecbdff01581d293addcb707cb024b 100644 (file)
--- a/test/CodeGen/AArch64/neon-mov.ll
+++ b/test/CodeGen/AArch64/neon-mov.ll
@@ -202,4 +202,16 @@ define <2 x double> @fmov2d() {
        ret <2 x double> < double -1.2e1, double -1.2e1>
 }
 
+define <2 x i32> @movi1d_1() {
+; CHECK: movi    d0, #0xffffffff0000
+  ret <2 x i32> < i32  -65536, i32 65535>
+}
+
+
+declare <2 x i32> @test_movi1d(<2 x i32>, <2 x i32>)
+define <2 x i32> @movi1d() {
+; CHECK: movi     d1, #0xffffffff0000
+  %1 = tail call <2 x i32> @test_movi1d(<2 x i32> <i32 -2147483648, i32 2147450880>, <2 x i32> <i32 -65536, i32 65535>)
+  ret <2 x i32> %1
+}