From 296a776a5bb58e1ae988175422631a22aba45805 Mon Sep 17 00:00:00 2001
From: Sanjay Patel <spatel@rotateright.com>
Date: Fri, 22 Jul 2016 20:11:08 +0000
Subject: [PATCH] add tests for icmp vector folds

llvm-svn: 276464
---
 llvm/test/Transforms/InstCombine/icmp.ll | 13 +++++++++++++
 llvm/test/Transforms/InstCombine/rem.ll  | 13 +++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/llvm/test/Transforms/InstCombine/icmp.ll b/llvm/test/Transforms/InstCombine/icmp.ll
index 4575e10..158ef09 100644
--- a/llvm/test/Transforms/InstCombine/icmp.ll
+++ b/llvm/test/Transforms/InstCombine/icmp.ll
@@ -955,6 +955,19 @@ define i1 @test70(i32 %X) {
   ret i1 %C
 }
 
+; FIXME: Vectors should fold the same way.
+
+define <2 x i1> @test70vec(<2 x i32> %X) {
+; CHECK-LABEL: @test70vec(
+; CHECK-NEXT:    [[B:%.*]] = add <2 x i32> %X, <i32 2, i32 2>
+; CHECK-NEXT:    [[C:%.*]] = icmp ne <2 x i32> [[B]], <i32 4, i32 4>
+; CHECK-NEXT:    ret <2 x i1> [[C]]
+;
+  %B = add <2 x i32> %X, <i32 2, i32 2>
+  %C = icmp ne <2 x i32> %B, <i32 4, i32 4>
+  ret <2 x i1> %C
+}
+
 define i1 @icmp_sext16trunc(i32 %x) {
 ; CHECK-LABEL: @icmp_sext16trunc(
 ; CHECK-NEXT:    [[TMP1:%.*]] = trunc i32 %x to i16
diff --git a/llvm/test/Transforms/InstCombine/rem.ll b/llvm/test/Transforms/InstCombine/rem.ll
index ae331ee..cd3c937 100644
--- a/llvm/test/Transforms/InstCombine/rem.ll
+++ b/llvm/test/Transforms/InstCombine/rem.ll
@@ -53,6 +53,19 @@ define i1 @test3a(i32 %A) {
 	ret i1 %C
 }
 
+; FIXME: Vectors should fold the same way.
+
+define <2 x i1> @test3a_vec(<2 x i32> %A) {
+; CHECK-LABEL: @test3a_vec(
+; CHECK-NEXT:    [[B:%.*]] = srem <2 x i32> %A, <i32 8, i32 8>
+; CHECK-NEXT:    [[C:%.*]] = icmp ne <2 x i32> [[B]], zeroinitializer
+; CHECK-NEXT:    ret <2 x i1> [[C]]
+;
+  %B = srem <2 x i32> %A, <i32 -8, i32 -8>
+  %C = icmp ne <2 x i32> %B, zeroinitializer
+  ret <2 x i1> %C
+}
+
 define i32 @test4(i32 %X, i1 %C) {
 ; CHECK-LABEL: @test4(
 ; CHECK-NEXT: [[SEL:%.*]] = select i1 %C, i32 0, i32 7
-- 
2.7.4