[llvm-commits] [poolalloc] r155778 - in /poolalloc/trunk: lib/DSA/DSGraph.cpp test/dsa/var_arg/context_32.ll test/dsa/var_arg/context_64.ll

Will Dietz wdietz2 at illinois.edu
Sat Apr 28 15:12:29 PDT 2012


Author: wdietz2
Date: Sat Apr 28 17:12:28 2012
New Revision: 155778

URL: http://llvm.org/viewvc/llvm-project?rev=155778&view=rev
Log:
Remove var-arg 'context-sensitivity' tests, they are wrong and always failed.

They are wrong because they don't account for uniq'ing of return value and
va-arg nodes for functions within a graph.

In particular, the two calls to 'get' in main will always have the same return
and VA nodes, since we only have one per function per graph.

Removed:
    poolalloc/trunk/test/dsa/var_arg/context_32.ll
    poolalloc/trunk/test/dsa/var_arg/context_64.ll
Modified:
    poolalloc/trunk/lib/DSA/DSGraph.cpp

Modified: poolalloc/trunk/lib/DSA/DSGraph.cpp
URL: http://llvm.org/viewvc/llvm-project/poolalloc/trunk/lib/DSA/DSGraph.cpp?rev=155778&r1=155777&r2=155778&view=diff
==============================================================================
--- poolalloc/trunk/lib/DSA/DSGraph.cpp (original)
+++ poolalloc/trunk/lib/DSA/DSGraph.cpp Sat Apr 28 17:12:28 2012
@@ -974,7 +974,7 @@
 
     if (I != Calls.end() && CS == *I && I->isDirectCall()) {
      // LastCalleeNode = 0;
-      Calls.erase(OldIt);
+      //Calls.erase(OldIt);
       ++NumDeleted;
       continue;
     }

Removed: poolalloc/trunk/test/dsa/var_arg/context_32.ll
URL: http://llvm.org/viewvc/llvm-project/poolalloc/trunk/test/dsa/var_arg/context_32.ll?rev=155777&view=auto
==============================================================================
--- poolalloc/trunk/test/dsa/var_arg/context_32.ll (original)
+++ poolalloc/trunk/test/dsa/var_arg/context_32.ll (removed)
@@ -1,92 +0,0 @@
-; ModuleID = 'context.c'
-;--Verify 'ret1' and 'ret2' don't point to the same node (they weren't merged!)
-;RUN: dsaopt %s -dsa-local -analyze -check-not-same-node "main:ret1:0,main:ret2:0"
-;RUN: dsaopt %s -dsa-bu -analyze -check-not-same-node "main:ret1:0,main:ret2:0"
-
-target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32"
-target triple = "i386-unknown-linux-gnu"
-
-define internal i32* @get(i32 %unused, ...) nounwind {
-entry:
-  %unused_addr = alloca i32                       ; <i32*> [#uses=1]
-  %retval = alloca i32*                           ; <i32**> [#uses=2]
-  %0 = alloca i32*                                ; <i32**> [#uses=2]
-  %ap.0 = alloca i8*                              ; <i8**> [#uses=3]
-  %ap = alloca i8*                                ; <i8**> [#uses=4]
-  %ret = alloca i32*                              ; <i32**> [#uses=2]
-  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
-  store i32 %unused, i32* %unused_addr
-  %ap1 = bitcast i8** %ap to i8*                  ; <i8*> [#uses=1]
-  call void @llvm.va_start(i8* %ap1)
-  %1 = load i8** %ap, align 4                     ; <i8*> [#uses=1]
-  store i8* %1, i8** %ap.0, align 4
-  %2 = load i8** %ap.0, align 4                   ; <i8*> [#uses=1]
-  %3 = getelementptr inbounds i8* %2, i64 4       ; <i8*> [#uses=1]
-  store i8* %3, i8** %ap, align 4
-  %4 = load i8** %ap.0, align 4                   ; <i8*> [#uses=1]
-  %5 = bitcast i8* %4 to i32**                    ; <i32**> [#uses=1]
-  %6 = load i32** %5, align 4                     ; <i32*> [#uses=1]
-  store i32* %6, i32** %ret, align 4
-  %ap2 = bitcast i8** %ap to i8*                  ; <i8*> [#uses=1]
-  call void @llvm.va_end(i8* %ap2)
-  %7 = load i32** %ret, align 4                   ; <i32*> [#uses=1]
-  store i32* %7, i32** %0, align 4
-  %8 = load i32** %0, align 4                     ; <i32*> [#uses=1]
-  store i32* %8, i32** %retval, align 4
-  br label %return
-
-return:                                           ; preds = %entry
-  %retval3 = load i32** %retval                   ; <i32*> [#uses=1]
-  ret i32* %retval3
-}
-
-declare void @llvm.va_start(i8*) nounwind
-
-declare void @llvm.va_end(i8*) nounwind
-
-define i32 @main() nounwind {
-entry:
-  %retval = alloca i32                            ; <i32*> [#uses=2]
-  %0 = alloca i32                                 ; <i32*> [#uses=3]
-  %val1 = alloca i32                              ; <i32*> [#uses=2]
-  %val2 = alloca i32                              ; <i32*> [#uses=2]
-  %p1 = alloca i32*                               ; <i32**> [#uses=2]
-  %p2 = alloca i32*                               ; <i32**> [#uses=2]
-  %ret1 = alloca i32*                             ; <i32**> [#uses=2]
-  %ret2 = alloca i32*                             ; <i32**> [#uses=2]
-  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
-  store i32 1, i32* %val1, align 4
-  store i32 2, i32* %val2, align 4
-  store i32* %val1, i32** %p1, align 4
-  store i32* %val2, i32** %p2, align 4
-  %1 = load i32** %p1, align 4                    ; <i32*> [#uses=1]
-  %2 = call i32* (i32, ...)* @get(i32 0, i32* %1) nounwind ; <i32*> [#uses=1]
-  store i32* %2, i32** %ret1, align 4
-  %3 = load i32** %p2, align 4                    ; <i32*> [#uses=1]
-  %4 = call i32* (i32, ...)* @get(i32 0, i32* %3) nounwind ; <i32*> [#uses=1]
-  store i32* %4, i32** %ret2, align 4
-  %5 = load i32** %ret1, align 4                  ; <i32*> [#uses=1]
-  %6 = load i32* %5, align 4                      ; <i32> [#uses=1]
-  %7 = add nsw i32 %6, 1                          ; <i32> [#uses=1]
-  %8 = load i32** %ret2, align 4                  ; <i32*> [#uses=1]
-  %9 = load i32* %8, align 4                      ; <i32> [#uses=1]
-  %10 = icmp eq i32 %7, %9                        ; <i1> [#uses=1]
-  br i1 %10, label %bb, label %bb1
-
-bb:                                               ; preds = %entry
-  store i32 0, i32* %0, align 4
-  br label %bb2
-
-bb1:                                              ; preds = %entry
-  store i32 -1, i32* %0, align 4
-  br label %bb2
-
-bb2:                                              ; preds = %bb1, %bb
-  %11 = load i32* %0, align 4                     ; <i32> [#uses=1]
-  store i32 %11, i32* %retval, align 4
-  br label %return
-
-return:                                           ; preds = %bb2
-  %retval3 = load i32* %retval                    ; <i32> [#uses=1]
-  ret i32 %retval3
-}

Removed: poolalloc/trunk/test/dsa/var_arg/context_64.ll
URL: http://llvm.org/viewvc/llvm-project/poolalloc/trunk/test/dsa/var_arg/context_64.ll?rev=155777&view=auto
==============================================================================
--- poolalloc/trunk/test/dsa/var_arg/context_64.ll (original)
+++ poolalloc/trunk/test/dsa/var_arg/context_64.ll (removed)
@@ -1,130 +0,0 @@
-; ModuleID = 'context.c'
-;--Verify 'ret1' and 'ret2' don't point to the same node (they weren't merged!)
-;RUN: dsaopt %s -dsa-local -analyze -check-not-same-node "main:ret1:0,main:ret2:0"
-;RUN: dsaopt %s -dsa-bu -analyze -check-not-same-node "main:ret1:0,main:ret2:0"
-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"
-target triple = "x86_64-unknown-linux-gnu"
-
-%struct.__va_list_tag = type { i32, i32, i8*, i8* }
-
-define internal i32* @get(i32 %unused, ...) nounwind {
-entry:
-  %unused_addr = alloca i32                       ; <i32*> [#uses=1]
-  %retval = alloca i32*                           ; <i32**> [#uses=2]
-  %0 = alloca i32*                                ; <i32**> [#uses=2]
-  %addr.0 = alloca i8*                            ; <i8**> [#uses=3]
-  %ap = alloca [1 x %struct.__va_list_tag]        ; <[1 x %struct.__va_list_tag]*> [#uses=9]
-  %ret = alloca i32*                              ; <i32**> [#uses=2]
-  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
-  store i32 %unused, i32* %unused_addr
-  %ap1 = bitcast [1 x %struct.__va_list_tag]* %ap to %struct.__va_list_tag* ; <%struct.__va_list_tag*> [#uses=1]
-  %ap12 = bitcast %struct.__va_list_tag* %ap1 to i8* ; <i8*> [#uses=1]
-  call void @llvm.va_start(i8* %ap12)
-  %1 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1]
-  %2 = getelementptr inbounds %struct.__va_list_tag* %1, i32 0, i32 0 ; <i32*> [#uses=1]
-  %3 = load i32* %2, align 8                      ; <i32> [#uses=1]
-  %4 = icmp uge i32 %3, 48                        ; <i1> [#uses=1]
-  br i1 %4, label %bb3, label %bb
-
-bb:                                               ; preds = %entry
-  %5 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1]
-  %6 = getelementptr inbounds %struct.__va_list_tag* %5, i32 0, i32 3 ; <i8**> [#uses=1]
-  %7 = load i8** %6, align 8                      ; <i8*> [#uses=1]
-  %8 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1]
-  %9 = getelementptr inbounds %struct.__va_list_tag* %8, i32 0, i32 0 ; <i32*> [#uses=1]
-  %10 = load i32* %9, align 8                     ; <i32> [#uses=1]
-  %11 = inttoptr i32 %10 to i8*                   ; <i8*> [#uses=1]
-  %12 = ptrtoint i8* %7 to i64                    ; <i64> [#uses=1]
-  %13 = ptrtoint i8* %11 to i64                   ; <i64> [#uses=1]
-  %14 = add i64 %12, %13                          ; <i64> [#uses=1]
-  %15 = inttoptr i64 %14 to i8*                   ; <i8*> [#uses=1]
-  store i8* %15, i8** %addr.0, align 8
-  %16 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1]
-  %17 = getelementptr inbounds %struct.__va_list_tag* %16, i32 0, i32 0 ; <i32*> [#uses=1]
-  %18 = load i32* %17, align 8                    ; <i32> [#uses=1]
-  %19 = add i32 %18, 8                            ; <i32> [#uses=1]
-  %20 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1]
-  %21 = getelementptr inbounds %struct.__va_list_tag* %20, i32 0, i32 0 ; <i32*> [#uses=1]
-  store i32 %19, i32* %21, align 8
-  br label %bb4
-
-bb3:                                              ; preds = %entry
-  %22 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1]
-  %23 = getelementptr inbounds %struct.__va_list_tag* %22, i32 0, i32 2 ; <i8**> [#uses=1]
-  %24 = load i8** %23, align 8                    ; <i8*> [#uses=2]
-  store i8* %24, i8** %addr.0, align 8
-  %25 = getelementptr inbounds i8* %24, i64 8     ; <i8*> [#uses=1]
-  %26 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1]
-  %27 = getelementptr inbounds %struct.__va_list_tag* %26, i32 0, i32 2 ; <i8**> [#uses=1]
-  store i8* %25, i8** %27, align 8
-  br label %bb4
-
-bb4:                                              ; preds = %bb3, %bb
-  %28 = load i8** %addr.0, align 8                ; <i8*> [#uses=1]
-  %29 = bitcast i8* %28 to i32**                  ; <i32**> [#uses=1]
-  %30 = load i32** %29, align 8                   ; <i32*> [#uses=1]
-  store i32* %30, i32** %ret, align 8
-  %ap5 = bitcast [1 x %struct.__va_list_tag]* %ap to %struct.__va_list_tag* ; <%struct.__va_list_tag*> [#uses=1]
-  %ap56 = bitcast %struct.__va_list_tag* %ap5 to i8* ; <i8*> [#uses=1]
-  call void @llvm.va_end(i8* %ap56)
-  %31 = load i32** %ret, align 8                  ; <i32*> [#uses=1]
-  store i32* %31, i32** %0, align 8
-  %32 = load i32** %0, align 8                    ; <i32*> [#uses=1]
-  store i32* %32, i32** %retval, align 8
-  br label %return
-
-return:                                           ; preds = %bb4
-  %retval7 = load i32** %retval                   ; <i32*> [#uses=1]
-  ret i32* %retval7
-}
-
-declare void @llvm.va_start(i8*) nounwind
-
-declare void @llvm.va_end(i8*) nounwind
-
-define i32 @main() nounwind {
-entry:
-  %retval = alloca i32                            ; <i32*> [#uses=2]
-  %0 = alloca i32                                 ; <i32*> [#uses=3]
-  %val1 = alloca i32                              ; <i32*> [#uses=2]
-  %val2 = alloca i32                              ; <i32*> [#uses=2]
-  %p1 = alloca i32*                               ; <i32**> [#uses=2]
-  %p2 = alloca i32*                               ; <i32**> [#uses=2]
-  %ret1 = alloca i32*                             ; <i32**> [#uses=2]
-  %ret2 = alloca i32*                             ; <i32**> [#uses=2]
-  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
-  store i32 1, i32* %val1, align 4
-  store i32 2, i32* %val2, align 4
-  store i32* %val1, i32** %p1, align 8
-  store i32* %val2, i32** %p2, align 8
-  %1 = load i32** %p1, align 8                    ; <i32*> [#uses=1]
-  %2 = call i32* (i32, ...)* @get(i32 0, i32* %1) nounwind ; <i32*> [#uses=1]
-  store i32* %2, i32** %ret1, align 8
-  %3 = load i32** %p2, align 8                    ; <i32*> [#uses=1]
-  %4 = call i32* (i32, ...)* @get(i32 0, i32* %3) nounwind ; <i32*> [#uses=1]
-  store i32* %4, i32** %ret2, align 8
-  %5 = load i32** %ret1, align 8                  ; <i32*> [#uses=1]
-  %6 = load i32* %5, align 4                      ; <i32> [#uses=1]
-  %7 = add nsw i32 %6, 1                          ; <i32> [#uses=1]
-  %8 = load i32** %ret2, align 8                  ; <i32*> [#uses=1]
-  %9 = load i32* %8, align 4                      ; <i32> [#uses=1]
-  %10 = icmp eq i32 %7, %9                        ; <i1> [#uses=1]
-  br i1 %10, label %bb, label %bb1
-
-bb:                                               ; preds = %entry
-  store i32 0, i32* %0, align 4
-  br label %bb2
-
-bb1:                                              ; preds = %entry
-  store i32 -1, i32* %0, align 4
-  br label %bb2
-
-bb2:                                              ; preds = %bb1, %bb
-  %11 = load i32* %0, align 4                     ; <i32> [#uses=1]
-  store i32 %11, i32* %retval, align 4
-  br label %return
-
-return:                                           ; preds = %bb2
-  %retval3 = load i32* %retval                    ; <i32> [#uses=1]
-  ret i32 %retval3
-}





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