Check that GVN performs this transform even if the calls

themselves are not marked readonly, but only the called
functions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84253 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/GVN/calls-readonly.ll b/test/Transforms/GVN/calls-readonly.ll
index 28b5ff09a73a6f128fd9152dee20fcd915f82d04..97ec91512e32fcfadd030978d7c36a264236ecb4 100644 (file)
--- a/test/Transforms/GVN/calls-readonly.ll
+++ b/test/Transforms/GVN/calls-readonly.ll
@@ -6,22 +6,22 @@ target triple = "i386-apple-darwin7"
 
 define i8* @test(i8* %P, i8* %Q, i32 %x, i32 %y) nounwind readonly {
 entry:
-       %0 = tail call i32 @strlen(i8* %P) nounwind readonly            ; <i32> [#uses=2]
-       %1 = icmp eq i32 %0, 0          ; <i1> [#uses=1]
-       br i1 %1, label %bb, label %bb1
+  %0 = tail call i32 @strlen(i8* %P)              ; <i32> [#uses=2]
+  %1 = icmp eq i32 %0, 0                          ; <i1> [#uses=1]
+  br i1 %1, label %bb, label %bb1
 
-bb:            ; preds = %entry
-       %2 = sdiv i32 %x, %y            ; <i32> [#uses=1]
-       br label %bb1
+bb:                                               ; preds = %entry
+  %2 = sdiv i32 %x, %y                            ; <i32> [#uses=1]
+  br label %bb1
 
-bb1:           ; preds = %bb, %entry
-       %x_addr.0 = phi i32 [ %2, %bb ], [ %x, %entry ]         ; <i32> [#uses=1]
-       %3 = tail call i8* @strchr(i8* %Q, i32 97) nounwind readonly            ; <i8*> [#uses=1]
-       %4 = tail call i32 @strlen(i8* %P) nounwind readonly            ; <i32> [#uses=1]
-       %5 = add i32 %x_addr.0, %0              ; <i32> [#uses=1]
-       %.sum = sub i32 %5, %4          ; <i32> [#uses=1]
-       %6 = getelementptr i8* %3, i32 %.sum            ; <i8*> [#uses=1]
-       ret i8* %6
+bb1:                                              ; preds = %bb, %entry
+  %x_addr.0 = phi i32 [ %2, %bb ], [ %x, %entry ] ; <i32> [#uses=1]
+  %3 = tail call i8* @strchr(i8* %Q, i32 97)      ; <i8*> [#uses=1]
+  %4 = tail call i32 @strlen(i8* %P)              ; <i32> [#uses=1]
+  %5 = add i32 %x_addr.0, %0                      ; <i32> [#uses=1]
+  %.sum = sub i32 %5, %4                          ; <i32> [#uses=1]
+  %6 = getelementptr i8* %3, i32 %.sum            ; <i8*> [#uses=1]
+  ret i8* %6
 }
 
 declare i32 @strlen(i8*) nounwind readonly