1 files changed, 74 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/11-BSwap.ll b/test/CodeGen/SystemZ/11-BSwap.ll
new file mode 100644
index 0000000..609d9dc
--- /dev/null
+++ b/test/CodeGen/SystemZ/11-BSwap.ll
@@ -0,0 +1,74 @@
+; RUN: llc < %s | FileCheck %s
+
+
+target datalayout = "E-p:64:64:64-i8:8:16-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-a0:16:16"
+target triple = "s390x-linux"
+
+
+define i16 @foo(i16 zeroext %a) zeroext {
+	%res = tail call i16 @llvm.bswap.i16(i16 %a)
+	ret i16 %res
+}
+
+define i32 @foo2(i32 zeroext %a) zeroext {
+; CHECK: foo2:
+; CHECK:  lrvr %r1, %r2
+        %res = tail call i32 @llvm.bswap.i32(i32 %a)
+        ret i32 %res
+}
+
+define i64 @foo3(i64 %a) zeroext {
+; CHECK: foo3:
+; CHECK:  lrvgr %r2, %r2
+        %res = tail call i64 @llvm.bswap.i64(i64 %a)
+        ret i64 %res
+}
+
+define i16 @foo4(i16* %b) zeroext {
+	%a = load i16* %b
+        %res = tail call i16 @llvm.bswap.i16(i16 %a)
+        ret i16 %res
+}
+
+define i32 @foo5(i32* %b) zeroext {
+; CHECK: foo5:
+; CHECK:  lrv %r1, 0(%r2)
+	%a = load i32* %b
+        %res = tail call i32 @llvm.bswap.i32(i32 %a)
+        ret i32 %res
+}
+
+define i64 @foo6(i64* %b) {
+; CHECK: foo6:
+; CHECK:  lrvg %r2, 0(%r2)
+	%a = load i64* %b
+        %res = tail call i64 @llvm.bswap.i64(i64 %a)
+        ret i64 %res
+}
+
+define void @foo7(i16 %a, i16* %b) {
+        %res = tail call i16 @llvm.bswap.i16(i16 %a)
+        store i16 %res, i16* %b
+        ret void
+}
+
+define void @foo8(i32 %a, i32* %b) {
+; CHECK: foo8:
+; CHECK:  strv %r2, 0(%r3)
+        %res = tail call i32 @llvm.bswap.i32(i32 %a)
+        store i32 %res, i32* %b
+        ret void
+}
+
+define void @foo9(i64 %a, i64* %b) {
+; CHECK: foo9:
+; CHECK:  strvg %r2, 0(%r3)
+        %res = tail call i64 @llvm.bswap.i64(i64 %a)
+        store i64 %res, i64* %b
+        ret void
+}
+
+declare i16 @llvm.bswap.i16(i16) nounwind readnone
+declare i32 @llvm.bswap.i32(i32) nounwind readnone
+declare i64 @llvm.bswap.i64(i64) nounwind readnone
+