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diff test/CodeGen/NVPTX/shift-parts.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/NVPTX/shift-parts.ll	Mon Sep 08 22:06:00 2014 +0900
@@ -0,0 +1,38 @@
+; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
+
+; CHECK: shift_parts_left_128
+define void @shift_parts_left_128(i128* %val, i128* %amtptr) {
+; CHECK: shl.b64
+; CHECK: mov.u32
+; CHECK: sub.s32
+; CHECK: shr.u64
+; CHECK: or.b64
+; CHECK: add.s32
+; CHECK: shl.b64
+; CHECK: setp.gt.s32
+; CHECK: selp.b64
+; CHECK: shl.b64
+  %amt = load i128* %amtptr
+  %a = load i128* %val
+  %val0 = shl i128 %a, %amt
+  store i128 %val0, i128* %val
+  ret void
+}
+
+; CHECK: shift_parts_right_128
+define void @shift_parts_right_128(i128* %val, i128* %amtptr) {
+; CHECK: shr.u64
+; CHECK: sub.s32
+; CHECK: shl.b64
+; CHECK: or.b64
+; CHECK: add.s32
+; CHECK: shr.s64
+; CHECK: setp.gt.s32
+; CHECK: selp.b64
+; CHECK: shr.s64
+  %amt = load i128* %amtptr
+  %a = load i128* %val
+  %val0 = ashr i128 %a, %amt
+  store i128 %val0, i128* %val
+  ret void
+}