1 files changed, 97 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AVR/io.ll b/llvm/test/CodeGen/AVR/io.ll
new file mode 100644
index 00000000000..b8b04a0e024
--- /dev/null
+++ b/llvm/test/CodeGen/AVR/io.ll
@@ -0,0 +1,97 @@
+; RUN: llc < %s -march=avr | FileCheck %s
+
+define i8 @read8() {
+; CHECK-LABEL: read8
+; CHECK: in r24, 8
+  %1 = load i8, i8* inttoptr (i16 40 to i8*)
+  ret i8 %1
+}
+
+define i16 @read16() {
+; CHECK-LABEL: read16
+; CHECK: in r24, 8
+; CHECK: in r25, 9
+  %1 = load i16, i16* inttoptr (i16 40 to i16*)
+  ret i16 %1
+}
+
+define i32 @read32() {
+; CHECK-LABEL: read32
+; CHECK: in r22, 8
+; CHECK: in r23, 9
+; CHECK: in r24, 10
+; CHECK: in r25, 11
+  %1 = load i32, i32* inttoptr (i16 40 to i32*)
+  ret i32 %1
+}
+
+define i64 @read64() {
+; CHECK-LABEL: read64
+; CHECK: in r18, 8
+; CHECK: in r19, 9
+; CHECK: in r20, 10
+; CHECK: in r21, 11
+; CHECK: in r22, 12
+; CHECK: in r23, 13
+; CHECK: in r24, 14
+; CHECK: in r25, 15
+  %1 = load i64, i64* inttoptr (i16 40 to i64*)
+  ret i64 %1
+}
+
+define void @write8() {
+; CHECK-LABEL: write8
+; CHECK: out 8
+  store i8 22, i8* inttoptr (i16 40 to i8*)
+  ret void
+}
+
+define void @write16() {
+; CHECK-LABEL: write16
+; CHECK: out 9
+; CHECK: out 8
+  store i16 1234, i16* inttoptr (i16 40 to i16*)
+  ret void
+}
+
+define void @write32() {
+; CHECK-LABEL: write32
+; CHECK: out 11
+; CHECK: out 10
+; CHECK: out 9
+; CHECK: out 8
+  store i32 12345678, i32* inttoptr (i16 40 to i32*)
+  ret void
+}
+
+define void @write64() {
+; CHECK-LABEL: write64
+; CHECK: out 15
+; CHECK: out 14
+; CHECK: out 13
+; CHECK: out 12
+; CHECK: out 11
+; CHECK: out 10
+; CHECK: out 9
+; CHECK: out 8
+  store i64 1234567891234567, i64* inttoptr (i16 40 to i64*)
+  ret void
+}
+
+define void @sbi8() {
+; CHECK-LABEL: sbi8
+; CHECK: sbi 8, 5
+  %1 = load i8, i8* inttoptr (i16 40 to i8*)
+  %or = or i8 %1, 32
+  store i8 %or, i8* inttoptr (i16 40 to i8*)
+  ret void
+}
+
+define void @cbi8() {
+; CHECK-LABEL: cbi8
+; CHECK: cbi 8, 5
+  %1 = load volatile i8, i8* inttoptr (i16 40 to i8*)
+  %and = and i8 %1, -33
+  store volatile i8 %and, i8* inttoptr (i16 40 to i8*)
+  ret void
+}