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diff test/CodeGen/AArch64/mul-lohi.ll @ 77:54457678186b LLVM3.6

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LLVM 3.6
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Mon, 08 Sep 2014 22:06:00 +0900
parents
children afa8332a0e37
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/CodeGen/AArch64/mul-lohi.ll	Mon Sep 08 22:06:00 2014 +0900
@@ -0,0 +1,18 @@
+; RUN: llc -mtriple=arm64-apple-ios7.0 -mcpu=cyclone %s -o - | FileCheck %s
+; RUN: llc -mtriple=aarch64_be-linux-gnu -mcpu=cyclone %s -o - | FileCheck --check-prefix=CHECK-BE %s
+define i128 @test_128bitmul(i128 %lhs, i128 %rhs) {
+; CHECK-LABEL: test_128bitmul:
+; CHECK-DAG: mul [[PART1:x[0-9]+]], x0, x3
+; CHECK-DAG: umulh [[CARRY:x[0-9]+]], x0, x2
+; CHECK: mul [[PART2:x[0-9]+]], x1, x2
+; CHECK: mul x0, x0, x2
+
+; CHECK-BE-LABEL: test_128bitmul:
+; CHECK-BE-DAG: mul [[PART1:x[0-9]+]], x1, x2
+; CHECK-BE-DAG: umulh [[CARRY:x[0-9]+]], x1, x3
+; CHECK-BE: mul [[PART2:x[0-9]+]], x0, x3
+; CHECK-BE: mul x1, x1, x3
+
+  %prod = mul i128 %lhs, %rhs
+  ret i128 %prod
+}