[FastISel][AArch64] Add support for non-native types for logical ops.

Extend the logical ops selection to also support non-native types such as i1,
i8, and i16.

Fixes rdar://problem/18330589.

llvm-svn: 217732
diff --git a/llvm/test/CodeGen/AArch64/fast-isel-logic-op.ll b/llvm/test/CodeGen/AArch64/fast-isel-logic-op.ll
index 1efe450..152fff8 100644
--- a/llvm/test/CodeGen/AArch64/fast-isel-logic-op.ll
+++ b/llvm/test/CodeGen/AArch64/fast-isel-logic-op.ll
@@ -2,6 +2,29 @@
 ; RUN: llc -mtriple=aarch64-apple-darwin -fast-isel=1 -fast-isel-abort -verify-machineinstrs < %s | FileCheck %s
 
 ; AND
+define zeroext i1 @and_rr_i1(i1 signext %a, i1 signext %b) {
+; CHECK-LABEL: and_rr_i1
+; CHECK:       and [[REG:w[0-9]+]], w0, w1
+  %1 = and i1 %a, %b
+  ret i1 %1
+}
+
+define zeroext i8 @and_rr_i8(i8 signext %a, i8 signext %b) {
+; CHECK-LABEL: and_rr_i8
+; CHECK:       and [[REG:w[0-9]+]], w0, w1
+; CHECK-NEXT:  and {{w[0-9]+}}, [[REG]], #0xff
+  %1 = and i8 %a, %b
+  ret i8 %1
+}
+
+define zeroext i16 @and_rr_i16(i16 signext %a, i16 signext %b) {
+; CHECK-LABEL: and_rr_i16
+; CHECK:       and [[REG:w[0-9]+]], w0, w1
+; CHECK-NEXT:  and {{w[0-9]+}}, [[REG]], #0xffff
+  %1 = and i16 %a, %b
+  ret i16 %1
+}
+
 define i32 @and_rr_i32(i32 %a, i32 %b) {
 ; CHECK-LABEL: and_rr_i32
 ; CHECK:       and w0, w0, w1
@@ -16,6 +39,27 @@
   ret i64 %1
 }
 
+define zeroext i1 @and_ri_i1(i1 signext %a) {
+; CHECK-LABEL: and_ri_i1
+; CHECK:       and {{w[0-9]+}}, w0, #0x1
+  %1 = and i1 %a, 1
+  ret i1 %1
+}
+
+define zeroext i8 @and_ri_i8(i8 signext %a) {
+; CHECK-LABEL: and_ri_i8
+; CHECK:       and {{w[0-9]+}}, w0, #0xf
+  %1 = and i8 %a, 15
+  ret i8 %1
+}
+
+define zeroext i16 @and_ri_i16(i16 signext %a) {
+; CHECK-LABEL: and_ri_i16
+; CHECK:       and {{w[0-9]+}}, w0, #0xff
+  %1 = and i16 %a, 255
+  ret i16 %1
+}
+
 define i32 @and_ri_i32(i32 %a) {
 ; CHECK-LABEL: and_ri_i32
 ; CHECK:       and w0, w0, #0xff
@@ -30,6 +74,24 @@
   ret i64 %1
 }
 
+define zeroext i8 @and_rs_i8(i8 signext %a, i8 signext %b) {
+; CHECK-LABEL: and_rs_i8
+; CHECK:       and [[REG:w[0-9]+]], w0, w1, lsl #4
+; CHECK-NEXT:  and {{w[0-9]+}}, [[REG]], {{#0xff|#0xf0}}
+  %1 = shl i8 %b, 4
+  %2 = and i8 %a, %1
+  ret i8 %2
+}
+
+define zeroext i16 @and_rs_i16(i16 signext %a, i16 signext %b) {
+; CHECK-LABEL: and_rs_i16
+; CHECK:       and [[REG:w[0-9]+]], w0, w1, lsl #8
+; CHECK-NEXT:  and {{w[0-9]+}}, [[REG]], {{#0xffff|#0xff00}}
+  %1 = shl i16 %b, 8
+  %2 = and i16 %a, %1
+  ret i16 %2
+}
+
 define i32 @and_rs_i32(i32 %a, i32 %b) {
 ; CHECK-LABEL: and_rs_i32
 ; CHECK:       and w0, w0, w1, lsl #8
@@ -47,6 +109,29 @@
 }
 
 ; OR
+define zeroext i1 @or_rr_i1(i1 signext %a, i1 signext %b) {
+; CHECK-LABEL: or_rr_i1
+; CHECK:       orr [[REG:w[0-9]+]], w0, w1
+  %1 = or i1 %a, %b
+  ret i1 %1
+}
+
+define zeroext i8 @or_rr_i8(i8 signext %a, i8 signext %b) {
+; CHECK-LABEL: or_rr_i8
+; CHECK:       orr [[REG:w[0-9]+]], w0, w1
+; CHECK-NEXT:  and {{w[0-9]+}}, [[REG]], #0xff
+  %1 = or i8 %a, %b
+  ret i8 %1
+}
+
+define zeroext i16 @or_rr_i16(i16 signext %a, i16 signext %b) {
+; CHECK-LABEL: or_rr_i16
+; CHECK:       orr [[REG:w[0-9]+]], w0, w1
+; CHECK-NEXT:  and {{w[0-9]+}}, [[REG]], #0xffff
+  %1 = or i16 %a, %b
+  ret i16 %1
+}
+
 define i32 @or_rr_i32(i32 %a, i32 %b) {
 ; CHECK-LABEL: or_rr_i32
 ; CHECK:       orr w0, w0, w1
@@ -61,6 +146,22 @@
   ret i64 %1
 }
 
+define zeroext i8 @or_ri_i8(i8 %a) {
+; CHECK-LABEL: or_ri_i8
+; CHECK:       orr [[REG:w[0-9]+]], w0, #0xf
+; CHECK-NEXT:  and {{w[0-9]+}}, [[REG]], #0xff
+  %1 = or i8 %a, 15
+  ret i8 %1
+}
+
+define zeroext i16 @or_ri_i16(i16 %a) {
+; CHECK-LABEL: or_ri_i16
+; CHECK:       orr [[REG:w[0-9]+]], w0, #0xff
+; CHECK-NEXT:  and {{w[0-9]+}}, [[REG]], #0xffff
+  %1 = or i16 %a, 255
+  ret i16 %1
+}
+
 define i32 @or_ri_i32(i32 %a) {
 ; CHECK-LABEL: or_ri_i32
 ; CHECK:       orr w0, w0, #0xff
@@ -75,6 +176,24 @@
   ret i64 %1
 }
 
+define zeroext i8 @or_rs_i8(i8 signext %a, i8 signext %b) {
+; CHECK-LABEL: or_rs_i8
+; CHECK:       orr [[REG:w[0-9]+]], w0, w1, lsl #4
+; CHECK-NEXT:  and {{w[0-9]+}}, [[REG]], {{#0xff|#0xf0}}
+  %1 = shl i8 %b, 4
+  %2 = or i8 %a, %1
+  ret i8 %2
+}
+
+define zeroext i16 @or_rs_i16(i16 signext %a, i16 signext %b) {
+; CHECK-LABEL: or_rs_i16
+; CHECK:       orr [[REG:w[0-9]+]], w0, w1, lsl #8
+; CHECK-NEXT:  and {{w[0-9]+}}, [[REG]], {{#0xffff|#0xff00}}
+  %1 = shl i16 %b, 8
+  %2 = or i16 %a, %1
+  ret i16 %2
+}
+
 define i32 @or_rs_i32(i32 %a, i32 %b) {
 ; CHECK-LABEL: or_rs_i32
 ; CHECK:       orr w0, w0, w1, lsl #8
@@ -92,6 +211,29 @@
 }
 
 ; XOR
+define zeroext i1 @xor_rr_i1(i1 signext %a, i1 signext %b) {
+; CHECK-LABEL: xor_rr_i1
+; CHECK:       eor [[REG:w[0-9]+]], w0, w1
+  %1 = xor i1 %a, %b
+  ret i1 %1
+}
+
+define zeroext i8 @xor_rr_i8(i8 signext %a, i8 signext %b) {
+; CHECK-LABEL: xor_rr_i8
+; CHECK:       eor [[REG:w[0-9]+]], w0, w1
+; CHECK-NEXT:  and {{w[0-9]+}}, [[REG]], #0xff
+  %1 = xor i8 %a, %b
+  ret i8 %1
+}
+
+define zeroext i16 @xor_rr_i16(i16 signext %a, i16 signext %b) {
+; CHECK-LABEL: xor_rr_i16
+; CHECK:       eor [[REG:w[0-9]+]], w0, w1
+; CHECK-NEXT:  and {{w[0-9]+}}, [[REG]], #0xffff
+  %1 = xor i16 %a, %b
+  ret i16 %1
+}
+
 define i32 @xor_rr_i32(i32 %a, i32 %b) {
 ; CHECK-LABEL: xor_rr_i32
 ; CHECK:       eor w0, w0, w1
@@ -106,6 +248,22 @@
   ret i64 %1
 }
 
+define zeroext i8 @xor_ri_i8(i8 signext %a) {
+; CHECK-LABEL: xor_ri_i8
+; CHECK:       eor [[REG:w[0-9]+]], w0, #0xf
+; CHECK-NEXT:  and {{w[0-9]+}}, [[REG]], #0xff
+  %1 = xor i8 %a, 15
+  ret i8 %1
+}
+
+define zeroext i16 @xor_ri_i16(i16 signext %a) {
+; CHECK-LABEL: xor_ri_i16
+; CHECK:       eor [[REG:w[0-9]+]], w0, #0xff
+; CHECK-NEXT:  and {{w[0-9]+}}, [[REG]], #0xffff
+  %1 = xor i16 %a, 255
+  ret i16 %1
+}
+
 define i32 @xor_ri_i32(i32 %a) {
 ; CHECK-LABEL: xor_ri_i32
 ; CHECK:       eor w0, w0, #0xff
@@ -120,6 +278,24 @@
   ret i64 %1
 }
 
+define zeroext i8 @xor_rs_i8(i8 %a, i8 %b) {
+; CHECK-LABEL: xor_rs_i8
+; CHECK:       eor [[REG:w[0-9]+]], w0, w1, lsl #4
+; CHECK-NEXT:  and {{w[0-9]+}}, [[REG]], {{#0xff|#0xf0}}
+  %1 = shl i8 %b, 4
+  %2 = xor i8 %a, %1
+  ret i8 %2
+}
+
+define zeroext i16 @xor_rs_i16(i16 %a, i16 %b) {
+; CHECK-LABEL: xor_rs_i16
+; CHECK:       eor [[REG:w[0-9]+]], w0, w1, lsl #8
+; CHECK-NEXT:  and {{w[0-9]+}}, [[REG]], {{#0xffff|#0xff00}}
+  %1 = shl i16 %b, 8
+  %2 = xor i16 %a, %1
+  ret i16 %2
+}
+
 define i32 @xor_rs_i32(i32 %a, i32 %b) {
 ; CHECK-LABEL: xor_rs_i32
 ; CHECK:       eor w0, w0, w1, lsl #8