From c7d20128bd5a3a584c7b68fb859b974b2d1b13d5 Mon Sep 17 00:00:00 2001
From: Justin Lebar <jlebar@google.com>
Date: Wed, 18 Jan 2017 00:08:10 +0000
Subject: [NVPTX] Add lowering for llvm.bitreverse.

Reviewers: tra

Subscribers: llvm-commits, jholewinski

Differential Revision: https://reviews.llvm.org/D28720

llvm-svn: 292301
---
 llvm/test/CodeGen/NVPTX/intrinsics.ll | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'llvm/test/CodeGen')

diff --git a/llvm/test/CodeGen/NVPTX/intrinsics.ll b/llvm/test/CodeGen/NVPTX/intrinsics.ll
index 70a9ac2e325..26035963c94 100644
--- a/llvm/test/CodeGen/NVPTX/intrinsics.ll
+++ b/llvm/test/CodeGen/NVPTX/intrinsics.ll
@@ -22,6 +22,22 @@ define float @test_nvvm_sqrt(float %a) {
   ret float %val
 }
 
+; CHECK-LABEL: test_bitreverse32(
+define i32 @test_bitreverse32(i32 %a) {
+; CHECK: brev.b32
+  %val = call i32 @llvm.bitreverse.i32(i32 %a)
+  ret i32 %val
+}
+
+; CHECK-LABEL: test_bitreverse64(
+define i64 @test_bitreverse64(i64 %a) {
+; CHECK: brev.b64
+  %val = call i64 @llvm.bitreverse.i64(i64 %a)
+  ret i64 %val
+}
+
 declare float @llvm.fabs.f32(float)
 declare double @llvm.fabs.f64(double)
 declare float @llvm.nvvm.sqrt.f(float)
+declare i32 @llvm.bitreverse.i32(i32)
+declare i64 @llvm.bitreverse.i64(i64)
-- 
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