[ARM] Do not generate Tag_DIV_use=AllowDIVExt when hardware div is non-optional:...

[oota-llvm.git] / test / Analysis / GlobalsModRef / purecse.ll

diff --git a/test/Analysis/GlobalsModRef/purecse.ll b/test/Analysis/GlobalsModRef/purecse.ll
index bed282338d6f87200fe543dd84908155c7531aaa..e030417f9552434a3d380ac09c06a3536bb3c2a8 100644 (file)
--- a/test/Analysis/GlobalsModRef/purecse.ll
+++ b/test/Analysis/GlobalsModRef/purecse.ll
@@ -1,23 +1,27 @@
 ; Test that pure functions are cse'd away
+; RUN: opt < %s -globalsmodref-aa -gvn -instcombine -S | FileCheck %s
 
-; RUN: llvm-as < %s | opt -globalsmodref-aa -load-vn -gcse -instcombine | llvm-dis | not grep sub
-
-int %pure(int %X) {
-       %Y = add int %X, 1
-       ret int %Y
+define i32 @pure(i32 %X) {
+        %Y = add i32 %X, 1              ; <i32> [#uses=1]
+        ret i32 %Y
 }
 
-int %test1(int %X) {
-       %A = call int %pure(int %X)
-       %B = call int %pure(int %X)
-       %C = sub int %A, %B
-       ret int %C
+define i32 @test1(i32 %X) {
+; CHECK:      %A = call i32 @pure(i32 %X)
+; CHECK-NEXT: ret i32 0
+        %A = call i32 @pure( i32 %X )           ; <i32> [#uses=1]
+        %B = call i32 @pure( i32 %X )           ; <i32> [#uses=1]
+        %C = sub i32 %A, %B             ; <i32> [#uses=1]
+        ret i32 %C
 }
 
-int %test2(int %X, int* %P) {
-       %A = call int %pure(int %X)
-       store int %X, int* %P          ;; Does not invalidate 'pure' call.
-       %B = call int %pure(int %X)
-       %C = sub int %A, %B
-       ret int %C
+define i32 @test2(i32 %X, i32* %P) {
+; CHECK:      %A = call i32 @pure(i32 %X)
+; CHECK-NEXT: store i32 %X, i32* %P
+; CHECK-NEXT: ret i32 0
+        %A = call i32 @pure( i32 %X )           ; <i32> [#uses=1]
+        store i32 %X, i32* %P ;; Does not invalidate 'pure' call.
+        %B = call i32 @pure( i32 %X )           ; <i32> [#uses=1]
+        %C = sub i32 %A, %B             ; <i32> [#uses=1]
+        ret i32 %C
 }