[DivergenceAnalysis] fix a bug in computing influence regions

[oota-llvm.git] / test / Analysis / CFLAliasAnalysis / full-store-partial-alias.ll

diff --git a/test/Analysis/CFLAliasAnalysis/full-store-partial-alias.ll b/test/Analysis/CFLAliasAnalysis/full-store-partial-alias.ll
index 664ea9eb11806c74c765b2b719f954bbf8cfd236..3503e16898c083e4d46a2a4b86c72969b9641ca4 100644 (file)
--- a/test/Analysis/CFLAliasAnalysis/full-store-partial-alias.ll
+++ b/test/Analysis/CFLAliasAnalysis/full-store-partial-alias.ll
@@ -1,9 +1,10 @@
-; RUN: opt -S -tbaa -cfl-aa -gvn < %s | FileCheck -check-prefix=CFLAA %s
-; RUN: opt -S -tbaa -gvn < %s | FileCheck %s
+; RUN: opt -S -disable-basicaa -tbaa -cfl-aa -gvn < %s | FileCheck -check-prefix=CFLAA %s
+; RUN: opt -S -disable-basicaa -tbaa -gvn < %s | FileCheck %s
 ; Adapted from the BasicAA full-store-partial-alias.ll test.
 
-; CFL AA should notice that the store stores to the entire %u object,
+; CFL AA could notice that the store stores to the entire %u object,
 ; so the %tmp5 load is PartialAlias with the store and suppress TBAA.
+; FIXME: However, right now, CFLAA cannot prove PartialAlias here
 ; Without CFL AA, TBAA should say that %tmp5 is NoAlias with the store.
 
 target datalayout = "e-p:64:64:64"
@@ -14,17 +15,18 @@ target datalayout = "e-p:64:64:64"
 @endianness_test = global i64 1, align 8
 
 define i32 @signbit(double %x) nounwind {
-; CFLAA: ret i32 %tmp5.lobit
-; CHECK:   ret i32 0
+; FIXME: This would be ret i32 %tmp5.lobit if CFLAA could prove PartialAlias
+; CFLAA: ret i32 0
+; CHECK: ret i32 0
 entry:
   %u = alloca %union.anon, align 8
-  %tmp9 = getelementptr inbounds %union.anon* %u, i64 0, i32 0
+  %tmp9 = getelementptr inbounds %union.anon, %union.anon* %u, i64 0, i32 0
   store double %x, double* %tmp9, align 8, !tbaa !0
-  %tmp2 = load i32* bitcast (i64* @endianness_test to i32*), align 8, !tbaa !3
+  %tmp2 = load i32, i32* bitcast (i64* @endianness_test to i32*), align 8, !tbaa !3
   %idxprom = sext i32 %tmp2 to i64
   %tmp4 = bitcast %union.anon* %u to [2 x i32]*
-  %arrayidx = getelementptr inbounds [2 x i32]* %tmp4, i64 0, i64 %idxprom
-  %tmp5 = load i32* %arrayidx, align 4, !tbaa !3
+  %arrayidx = getelementptr inbounds [2 x i32], [2 x i32]* %tmp4, i64 0, i64 %idxprom
+  %tmp5 = load i32, i32* %arrayidx, align 4, !tbaa !3
   %tmp5.lobit = lshr i32 %tmp5, 31
   ret i32 %tmp5.lobit
 }