1*0a6a1f1dSLionel Sambuc; RUN: opt < %s -cfl-aa -aa-eval -print-all-alias-modref-info 2>&1 | FileCheck %s 2*0a6a1f1dSLionel Sambuc 3*0a6a1f1dSLionel Sambuc; When merging MustAlias and PartialAlias, merge to PartialAlias 4*0a6a1f1dSLionel Sambuc; instead of MayAlias. 5*0a6a1f1dSLionel Sambuc 6*0a6a1f1dSLionel Sambuc 7*0a6a1f1dSLionel Sambuctarget 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" 8*0a6a1f1dSLionel Sambuc 9*0a6a1f1dSLionel Sambuc; CHECK: PartialAlias: i16* %bigbase0, i8* %phi 10*0a6a1f1dSLionel Sambucdefine i8 @test0(i8* %base, i1 %x) { 11*0a6a1f1dSLionel Sambucentry: 12*0a6a1f1dSLionel Sambuc %baseplusone = getelementptr i8* %base, i64 1 13*0a6a1f1dSLionel Sambuc br i1 %x, label %red, label %green 14*0a6a1f1dSLionel Sambucred: 15*0a6a1f1dSLionel Sambuc br label %green 16*0a6a1f1dSLionel Sambucgreen: 17*0a6a1f1dSLionel Sambuc %phi = phi i8* [ %baseplusone, %red ], [ %base, %entry ] 18*0a6a1f1dSLionel Sambuc store i8 0, i8* %phi 19*0a6a1f1dSLionel Sambuc 20*0a6a1f1dSLionel Sambuc %bigbase0 = bitcast i8* %base to i16* 21*0a6a1f1dSLionel Sambuc store i16 -1, i16* %bigbase0 22*0a6a1f1dSLionel Sambuc 23*0a6a1f1dSLionel Sambuc %loaded = load i8* %phi 24*0a6a1f1dSLionel Sambuc ret i8 %loaded 25*0a6a1f1dSLionel Sambuc} 26*0a6a1f1dSLionel Sambuc 27*0a6a1f1dSLionel Sambuc; CHECK: PartialAlias: i16* %bigbase1, i8* %sel 28*0a6a1f1dSLionel Sambucdefine i8 @test1(i8* %base, i1 %x) { 29*0a6a1f1dSLionel Sambucentry: 30*0a6a1f1dSLionel Sambuc %baseplusone = getelementptr i8* %base, i64 1 31*0a6a1f1dSLionel Sambuc %sel = select i1 %x, i8* %baseplusone, i8* %base 32*0a6a1f1dSLionel Sambuc store i8 0, i8* %sel 33*0a6a1f1dSLionel Sambuc 34*0a6a1f1dSLionel Sambuc %bigbase1 = bitcast i8* %base to i16* 35*0a6a1f1dSLionel Sambuc store i16 -1, i16* %bigbase1 36*0a6a1f1dSLionel Sambuc 37*0a6a1f1dSLionel Sambuc %loaded = load i8* %sel 38*0a6a1f1dSLionel Sambuc ret i8 %loaded 39*0a6a1f1dSLionel Sambuc} 40