From b62303081bfbb10ae677044e55f592d6bde23f51 Mon Sep 17 00:00:00 2001
From: Evgeniy Stepanov <eugeni.stepanov@gmail.com>
Date: Tue, 24 May 2016 00:04:23 +0000
Subject: [PATCH] [msan] Add a test for vector compare x86 intrinsics.

This was actually meant to go in with r267966, but I forgot to
git add the file. Better late than never.

llvm-svn: 270515
---
 .../MemorySanitizer/vector_cmp.ll             | 81 +++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 llvm/test/Instrumentation/MemorySanitizer/vector_cmp.ll

diff --git a/llvm/test/Instrumentation/MemorySanitizer/vector_cmp.ll b/llvm/test/Instrumentation/MemorySanitizer/vector_cmp.ll
new file mode 100644
index 000000000000..fb54a5cb632e
--- /dev/null
+++ b/llvm/test/Instrumentation/MemorySanitizer/vector_cmp.ll
@@ -0,0 +1,81 @@
+; RUN: opt < %s -msan -msan-check-access-address=0 -S | FileCheck %s
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+declare <4 x float> @llvm.x86.sse.cmp.ss(<4 x float>, <4 x float>, i8) nounwind readnone
+declare <4 x float> @llvm.x86.sse.cmp.ps(<4 x float>, <4 x float>, i8) nounwind readnone
+declare <2 x double> @llvm.x86.sse2.cmp.sd(<2 x double>, <2 x double>, i8) nounwind readnone
+declare i32 @llvm.x86.sse.comineq.ss(<4 x float>, <4 x float>) nounwind readnone
+declare i32 @llvm.x86.sse2.ucomilt.sd(<2 x double>, <2 x double>) nounwind readnone
+
+
+define <4 x float> @test_sse_cmp_ss(<4 x float> %a, <4 x float> %b) sanitize_memory {
+entry:
+  %0 = tail call <4 x float> @llvm.x86.sse.cmp.ss(<4 x float> %a, <4 x float> %b, i8 4)
+  ret <4 x float> %0
+}
+
+; CHECK-LABEL: @test_sse_cmp_ss
+; CHECK: %[[A:.*]] = or <4 x i32>
+; CHECK: %[[B:.*]] = extractelement <4 x i32> %[[A]], i64 0
+; CHECK: %[[C:.*]] = icmp ne i32 %[[B]], 0
+; CHECK: %[[D:.*]] = sext i1 %[[C]] to i128
+; CHECK: %[[E:.*]] = bitcast i128 %[[D]] to <4 x i32>
+; CHECK: store <4 x i32> %[[E]]
+
+
+define <4 x float> @test_sse_cmp_ps(<4 x float> %a, <4 x float> %b) sanitize_memory {
+entry:
+  %0 = tail call <4 x float> @llvm.x86.sse.cmp.ps(<4 x float> %a, <4 x float> %b, i8 4)
+  ret <4 x float> %0
+}
+
+; CHECK-LABEL: @test_sse_cmp_ps
+; CHECK: %[[A:.*]] = or <4 x i32>
+; CHECK: %[[B:.*]] = icmp ne <4 x i32> %[[A]], zeroinitializer
+; CHECK: %[[C:.*]] = sext <4 x i1> %[[B]] to <4 x i32>
+; CHECK: store <4 x i32> %[[C]]
+
+
+define <2 x double> @test_sse2_cmp_sd(<2 x double> %a, <2 x double> %b) sanitize_memory {
+entry:
+  %0 = tail call <2 x double> @llvm.x86.sse2.cmp.sd(<2 x double> %a, <2 x double> %b, i8 4)
+  ret <2 x double> %0
+}
+
+; CHECK-LABEL: @test_sse2_cmp_sd
+; CHECK: %[[A:.*]] = or <2 x i64>
+; CHECK: %[[B:.*]] = extractelement <2 x i64> %[[A]], i64 0
+; CHECK: %[[C:.*]] = icmp ne i64 %[[B]], 0
+; CHECK: %[[D:.*]] = sext i1 %[[C]] to i128
+; CHECK: %[[E:.*]] = bitcast i128 %[[D]] to <2 x i64>
+; CHECK: store <2 x i64> %[[E]]
+
+
+define i32 @test_sse_comineq_ss(<4 x float> %a, <4 x float> %b) sanitize_memory {
+entry:
+  %0 = tail call i32 @llvm.x86.sse.comineq.ss(<4 x float> %a, <4 x float> %b)
+  ret i32 %0
+}
+
+; CHECK-LABEL: @test_sse_comineq_ss
+; CHECK: %[[A:.*]] = or <4 x i32>
+; CHECK: %[[B:.*]] = extractelement <4 x i32> %[[A]], i64 0
+; CHECK: %[[C:.*]] = icmp ne i32 %[[B]], 0
+; CHECK: %[[D:.*]] = sext i1 %[[C]] to i32
+; CHECK: store i32 %[[D]]
+
+
+define i32 @test_sse2_ucomilt_sd(<2 x double> %a, <2 x double> %b) sanitize_memory {
+entry:
+  %0 = tail call i32 @llvm.x86.sse2.ucomilt.sd(<2 x double> %a, <2 x double> %b)
+  ret i32 %0
+}
+
+; CHECK-LABEL: @test_sse2_ucomilt_sd
+; CHECK: %[[A:.*]] = or <2 x i64>
+; CHECK: %[[B:.*]] = extractelement <2 x i64> %[[A]], i64 0
+; CHECK: %[[C:.*]] = icmp ne i64 %[[B]], 0
+; CHECK: %[[D:.*]] = sext i1 %[[C]] to i32
+; CHECK: store i32 %[[D]]