1 files changed, 17 insertions, 11 deletions
diff --git a/llvm/test/Transforms/InstSimplify/ptr_diff.ll b/llvm/test/Transforms/InstSimplify/ptr_diff.ll
index 6c27e6f4467..c57fab99786 100644
--- a/llvm/test/Transforms/InstSimplify/ptr_diff.ll
+++ b/llvm/test/Transforms/InstSimplify/ptr_diff.ll
@@ -1,11 +1,12 @@
+; NOTE: Assertions have been autogenerated by update_test_checks.py
 ; RUN: opt < %s -instsimplify -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"
 
 define i64 @ptrdiff1(i8* %ptr) {
 ; CHECK-LABEL: @ptrdiff1(
-; CHECK-NEXT: ret i64 42
-
+; CHECK:         ret i64 42
+;
   %first = getelementptr inbounds i8, i8* %ptr, i32 0
   %last = getelementptr inbounds i8, i8* %ptr, i32 42
   %first.int = ptrtoint i8* %first to i64
@@ -16,8 +17,8 @@ define i64 @ptrdiff1(i8* %ptr) {
 
 define i64 @ptrdiff2(i8* %ptr) {
 ; CHECK-LABEL: @ptrdiff2(
-; CHECK-NEXT: ret i64 42
-
+; CHECK:         ret i64 42
+;
   %first1 = getelementptr inbounds i8, i8* %ptr, i32 0
   %first2 = getelementptr inbounds i8, i8* %first1, i32 1
   %first3 = getelementptr inbounds i8, i8* %first2, i32 2
@@ -35,10 +36,12 @@ define i64 @ptrdiff2(i8* %ptr) {
 define i64 @ptrdiff3(i8* %ptr) {
 ; Don't bother with non-inbounds GEPs.
 ; CHECK-LABEL: @ptrdiff3(
-; CHECK: getelementptr
-; CHECK: sub
-; CHECK: ret
-
+; CHECK:         [[LAST:%.*]] = getelementptr i8, i8* %ptr, i32 42
+; CHECK-NEXT:    [[FIRST_INT:%.*]] = ptrtoint i8* %ptr to i64
+; CHECK-NEXT:    [[LAST_INT:%.*]] = ptrtoint i8* [[LAST]] to i64
+; CHECK-NEXT:    [[DIFF:%.*]] = sub i64 [[LAST_INT]], [[FIRST_INT]]
+; CHECK-NEXT:    ret i64 [[DIFF]]
+;
   %first = getelementptr i8, i8* %ptr, i32 0
   %last = getelementptr i8, i8* %ptr, i32 42
   %first.int = ptrtoint i8* %first to i64
@@ -50,7 +53,8 @@ define i64 @ptrdiff3(i8* %ptr) {
 define <4 x i32> @ptrdiff4(<4 x i8*> %arg) nounwind {
 ; Handle simple cases of vectors of pointers.
 ; CHECK-LABEL: @ptrdiff4(
-; CHECK: ret <4 x i32> zeroinitializer
+; CHECK:         ret <4 x i32> zeroinitializer
+;
   %p1 = ptrtoint <4 x i8*> %arg to <4 x i32>
   %bc = bitcast <4 x i8*> %arg to <4 x i32*>
   %p2 = ptrtoint <4 x i32*> %bc to <4 x i32>
@@ -63,6 +67,10 @@ define <4 x i32> @ptrdiff4(<4 x i8*> %arg) nounwind {
 @global = internal global %struct.ham zeroinitializer, align 4
 
 define i32 @ptrdiff5() nounwind {
+; CHECK-LABEL: @ptrdiff5(
+; CHECK:       bb:
+; CHECK-NEXT:    ret i32 0
+;
 bb:
   %tmp = getelementptr inbounds %struct.ham, %struct.ham* @global, i32 0, i32 1
   %tmp1 = getelementptr inbounds [2 x [2 x i32]], [2 x [2 x i32]]* %tmp, i32 0, i32 0
@@ -73,6 +81,4 @@ bb:
   %tmp6 = ptrtoint [2 x i32]* %tmp5 to i32
   %tmp7 = sub i32 %tmp3, %tmp6
   ret i32 %tmp7
-; CHECK-LABEL: @ptrdiff5(
-; CHECK: ret i32 0
 }