From 2c3e0051c31c3f5b2328b447eadf1cf9c4427442 Mon Sep 17 00:00:00 2001
From: Pirama Arumuga Nainar <pirama@google.com>
Date: Wed, 6 May 2015 11:46:36 -0700
Subject: Update aosp/master LLVM for rebase to r235153

Change-Id: I9bf53792f9fc30570e81a8d80d296c681d005ea7
(cherry picked from commit 0c7f116bb6950ef819323d855415b2f2b0aad987)
---
 .../CodeGenPrepare/overflow-intrinsics.ll          | 74 ++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 test/Transforms/CodeGenPrepare/overflow-intrinsics.ll

(limited to 'test/Transforms/CodeGenPrepare/overflow-intrinsics.ll')

diff --git a/test/Transforms/CodeGenPrepare/overflow-intrinsics.ll b/test/Transforms/CodeGenPrepare/overflow-intrinsics.ll
new file mode 100644
index 0000000..1e41319
--- /dev/null
+++ b/test/Transforms/CodeGenPrepare/overflow-intrinsics.ll
@@ -0,0 +1,74 @@
+; RUN: opt -codegenprepare -S < %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"
+target triple = "x86_64-apple-darwin10.0.0"
+
+; CHECK-LABEL: @test1(
+; CHECK: llvm.uadd.with.overflow
+; CHECK: ret i64
+define i64 @test1(i64 %a, i64 %b) nounwind ssp {
+entry:
+  %add = add i64 %b, %a
+  %cmp = icmp ult i64 %add, %a
+  %Q = select i1 %cmp, i64 %b, i64 42
+  ret i64 %Q
+}
+
+; CHECK-LABEL: @test2(
+; CHECK: llvm.uadd.with.overflow
+; CHECK: ret i64
+define i64 @test2(i64 %a, i64 %b) nounwind ssp {
+entry:
+  %add = add i64 %b, %a
+  %cmp = icmp ult i64 %add, %b
+  %Q = select i1 %cmp, i64 %b, i64 42
+  ret i64 %Q
+}
+
+; CHECK-LABEL: @test3(
+; CHECK: llvm.uadd.with.overflow
+; CHECK: ret i64
+define i64 @test3(i64 %a, i64 %b) nounwind ssp {
+entry:
+  %add = add i64 %b, %a
+  %cmp = icmp ugt i64 %b, %add
+  %Q = select i1 %cmp, i64 %b, i64 42
+  ret i64 %Q
+}
+
+; CHECK-LABEL: @test4(
+; CHECK: llvm.uadd.with.overflow
+; CHECK: extractvalue
+; CHECK: extractvalue
+; CHECK: select
+define i64 @test4(i64 %a, i64 %b, i1 %c) nounwind ssp {
+entry:
+  %add = add i64 %b, %a
+  %cmp = icmp ugt i64 %b, %add
+  br i1 %c, label %next, label %exit
+
+ next:
+  %Q = select i1 %cmp, i64 %b, i64 42
+  ret i64 %Q
+
+ exit:
+  ret i64 0
+}
+
+; CHECK-LABEL: @test5(
+; CHECK-NOT: llvm.uadd.with.overflow
+; CHECK: next
+define i64 @test5(i64 %a, i64 %b, i64* %ptr, i1 %c) nounwind ssp {
+entry:
+  %add = add i64 %b, %a
+  store i64 %add, i64* %ptr
+  %cmp = icmp ugt i64 %b, %add
+  br i1 %c, label %next, label %exit
+
+ next:
+  %Q = select i1 %cmp, i64 %b, i64 42
+  ret i64 %Q
+
+ exit:
+  ret i64 0
+}
-- 
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