From d1cae1c97523a69da3643f7434da00cf19b535ce Mon Sep 17 00:00:00 2001
From: Dan Gohman <dan433584@gmail.com>
Date: Mon, 25 Jan 2016 15:19:39 +0000
Subject: [PATCH] [WebAssembly] Add tests for negative offsets with global
 variable addresses.

llvm-svn: 258693
---
 test/CodeGen/WebAssembly/offset-folding.ll | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/test/CodeGen/WebAssembly/offset-folding.ll b/test/CodeGen/WebAssembly/offset-folding.ll
index 59c05572575..863549fc20f 100644
--- a/test/CodeGen/WebAssembly/offset-folding.ll
+++ b/test/CodeGen/WebAssembly/offset-folding.ll
@@ -43,3 +43,21 @@ define i32* @test2() {
 define i32* @test3() {
   ret i32* getelementptr ([50 x i32], [50 x i32]* @y, i32 0, i32 0)
 }
+
+; Test negative offsets.
+
+; CHECK-LABEL: test4:
+; CHECK-NEXT: .result i32{{$}}
+; CHECK-NEXT: i32.const $push0=, x-188{{$}}
+; CHECK=NEXT: return $pop0{{$}}
+define i32* @test4() {
+  ret i32* getelementptr ([0 x i32], [0 x i32]* @x, i32 0, i32 -47)
+}
+
+; CHECK-LABEL: test5:
+; CHECK-NEXT: .result i32{{$}}
+; CHECK-NEXT: i32.const $push0=, y-188{{$}}
+; CHECK=NEXT: return $pop0{{$}}
+define i32* @test5() {
+  ret i32* getelementptr ([50 x i32], [50 x i32]* @y, i32 0, i32 -47)
+}