Adding the MicroBlaze backend.
The MicroBlaze is a highly configurable 32-bit soft-microprocessor for
use on Xilinx FPGAs. For more information see:
http://www.xilinx.com/tools/microblaze.htm
http://en.wikipedia.org/wiki/MicroBlaze
The current LLVM MicroBlaze backend generates assembly which can be
compiled using the an appropriate binutils assembler.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96969 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/MBlaze/mul64.ll b/test/CodeGen/MBlaze/mul64.ll
new file mode 100644
index 0000000..e0ef413
--- /dev/null
+++ b/test/CodeGen/MBlaze/mul64.ll
@@ -0,0 +1,23 @@
+; Ensure that multiplication is lowered to function calls when the 64-bit
+; multiplier unit is not available in the hardware and that function calls
+; are not used when the 64-bit multiplier unit is available in the hardware.
+;
+; RUN: llc < %s -march=mblaze | FileCheck -check-prefix=FUN %s
+; RUN: llc < %s -march=mblaze -mattr=+mul,+mul64 | \
+; RUN: FileCheck -check-prefix=MUL %s
+
+define i64 @test_i64(i64 %a, i64 %b) {
+ ; FUN: test_i64:
+ ; MUL: test_i64:
+
+ %tmp.1 = mul i64 %a, %b
+ ; FUN-NOT: mul
+ ; FUN: brlid
+ ; MUL-NOT: brlid
+ ; MUL: mulh
+ ; MUL: mul
+
+ ret i64 %tmp.1
+ ; FUN: rtsd
+ ; MUL: rtsd
+}