[llvm] r302216 - [ArgPromotion] Add a testcase for PR32917

[Martin Storsjo via llvm-commits]

Author: mstorsjo
Date: Fri May  5 03:40:24 2017
New Revision: 302216

URL: http://llvm.org/viewvc/llvm-project?rev=302216&view=rev
Log:
[ArgPromotion] Add a testcase for PR32917

Differential Revision: https://reviews.llvm.org/D32882

Added:
    llvm/trunk/test/Transforms/ArgumentPromotion/pr32917.ll

Added: llvm/trunk/test/Transforms/ArgumentPromotion/pr32917.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/ArgumentPromotion/pr32917.ll?rev=302216&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/ArgumentPromotion/pr32917.ll (added)
+++ llvm/trunk/test/Transforms/ArgumentPromotion/pr32917.ll Fri May  5 03:40:24 2017
@@ -0,0 +1,23 @@
+; RUN: opt < %s -argpromotion -S | FileCheck %s
+; PR 32917
+
+ at b = common local_unnamed_addr global i32 0, align 4
+ at a = common local_unnamed_addr global i32 0, align 4
+
+define i32 @fn2() local_unnamed_addr {
+  %1 = load i32, i32* @b, align 4
+  %2 = sext i32 %1 to i64
+  %3 = inttoptr i64 %2 to i32*
+  call fastcc void @fn1(i32* %3)
+  ret i32 undef
+}
+
+define internal fastcc void @fn1(i32* nocapture readonly) unnamed_addr {
+  %2 = getelementptr inbounds i32, i32* %0, i64 -1
+  %3 = load i32, i32* %2, align 4
+  store i32 %3, i32* @a, align 4
+  ret void
+}
+
+; CHECK: getelementptr {{.*}} -1
+; CHECK-NOT: getelementptr {{.*}} 4294967295