vendor/llvm/llvm-trunk-r178860

3 files changed, 41 insertions, 3 deletions

diff --git a/test/Transforms/JumpThreading/basic.ll b/test/Transforms/JumpThreading/basic.ll
index 46271379bd0d..fe3dc77c9c13 100644
--- a/test/Transforms/JumpThreading/basic.ll
+++ b/test/Transforms/JumpThreading/basic.ll
@@ -1,4 +1,4 @@
-; RUN: opt %s -jump-threading -S | FileCheck %s
+; RUN: opt -jump-threading -S < %s | FileCheck %s
 
 declare i32 @f1()
 declare i32 @f2()
@@ -476,3 +476,41 @@ exit1:
 ; CHECK: }
 }
 
+; In this test we check that block duplication is inhibited by the presence
+; of a function with the 'noduplicate' attribute.
+
+declare void @g()
+declare void @j()
+declare void @k()
+
+; CHECK: define void @h(i32 %p) {
+define void @h(i32 %p) {
+  %x = icmp ult i32 %p, 5
+  br i1 %x, label %l1, label %l2
+
+l1:
+  call void @j()
+  br label %l3
+
+l2:
+  call void @k()
+  br label %l3
+
+l3:
+; CHECK: call void @g() [[NOD:#[0-9]+]]
+; CHECK-NOT: call void @g() [[NOD]]
+  call void @g() noduplicate
+  %y = icmp ult i32 %p, 5
+  br i1 %y, label %l4, label %l5
+
+l4:
+  call void @j()
+  ret void
+
+l5:
+  call void @k()
+  ret void
+; CHECK: }
+}
+
+; CHECK: attributes [[NOD]] = { noduplicate }
diff --git a/test/Transforms/JumpThreading/degenerate-phi.ll b/test/Transforms/JumpThreading/degenerate-phi.ll
index 35d9fdec4281..2905b43af72c 100644
--- a/test/Transforms/JumpThreading/degenerate-phi.ll
+++ b/test/Transforms/JumpThreading/degenerate-phi.ll
@@ -1,4 +1,4 @@
-; RUN: opt -jump-threading -disable-output %s
+; RUN: opt -jump-threading -disable-output < %s
 ; PR9112
 
 ; This is actually a test for value tracking. Jump threading produces
diff --git a/test/Transforms/JumpThreading/or-undef.ll b/test/Transforms/JumpThreading/or-undef.ll
index 6e359925b6c6..6311b6df4373 100644
--- a/test/Transforms/JumpThreading/or-undef.ll
+++ b/test/Transforms/JumpThreading/or-undef.ll
@@ -1,4 +1,4 @@
-; RUN: opt -jump-threading -S %s | FileCheck %s
+; RUN: opt -jump-threading -S < %s | FileCheck %s
 ; rdar://7620633
 
 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"