[llvm-commits] [llvm] r84253 - /llvm/trunk/test/Transforms/GVN/calls-readonly.ll

[Duncan Sands]

Author: baldrick
Date: Fri Oct 16 07:18:23 2009
New Revision: 84253

URL: http://llvm.org/viewvc/llvm-project?rev=84253&view=rev
Log:
Check that GVN performs this transform even if the calls
themselves are not marked readonly, but only the called
functions.

Modified:
    llvm/trunk/test/Transforms/GVN/calls-readonly.ll

Modified: llvm/trunk/test/Transforms/GVN/calls-readonly.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/GVN/calls-readonly.ll?rev=84253&r1=84252&r2=84253&view=diff

==============================================================================
--- llvm/trunk/test/Transforms/GVN/calls-readonly.ll (original)
+++ llvm/trunk/test/Transforms/GVN/calls-readonly.ll Fri Oct 16 07:18:23 2009
@@ -6,22 +6,22 @@
 
 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