; RUN: opt < %s -disable-output "-passes=print" -aa-pipeline=basic-aa 2>&1 \ ; RUN: | FileCheck %s ; RUN: opt < %s -analyze -enable-new-pm=0 -basic-aa -da | FileCheck %s 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-S128" target triple = "x86_64-apple-macosx10.6.0" ;; for (long unsigned i = 0; i < 10; i++) { ;; A[i + 10] = i; ;; *B++ = A[2*i + 1]; define void @exact0(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.body ; CHECK-LABEL: exact0 ; CHECK: da analyze - none! ; CHECK: da analyze - flow [>]! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! for.body: ; preds = %entry, %for.body %i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ] %conv = trunc i64 %i.02 to i32 %add = add i64 %i.02, 10 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %add store i32 %conv, i32* %arrayidx, align 4 %mul = shl i64 %i.02, 1 %add13 = or i64 %mul, 1 %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %add13 %0 = load i32, i32* %arrayidx2, align 4 %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.01, i64 1 store i32 %0, i32* %B.addr.01, align 4 %inc = add i64 %i.02, 1 %exitcond = icmp ne i64 %inc, 10 br i1 %exitcond, label %for.body, label %for.end for.end: ; preds = %for.body ret void } ;; for (long unsigned i = 0; i < 10; i++) { ;; A[4*i + 10] = i; ;; *B++ = A[2*i + 1]; define void @exact1(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.body ; CHECK-LABEL: exact1 ; CHECK: da analyze - none! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! for.body: ; preds = %entry, %for.body %i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ] %conv = trunc i64 %i.02 to i32 %mul = shl i64 %i.02, 2 %add = add i64 %mul, 10 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %add store i32 %conv, i32* %arrayidx, align 4 %mul1 = shl i64 %i.02, 1 %add23 = or i64 %mul1, 1 %arrayidx3 = getelementptr inbounds i32, i32* %A, i64 %add23 %0 = load i32, i32* %arrayidx3, align 4 %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.01, i64 1 store i32 %0, i32* %B.addr.01, align 4 %inc = add i64 %i.02, 1 %exitcond = icmp ne i64 %inc, 10 br i1 %exitcond, label %for.body, label %for.end for.end: ; preds = %for.body ret void } ;; for (long unsigned i = 0; i < 10; i++) { ;; A[6*i] = i; ;; *B++ = A[i + 60]; define void @exact2(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.body ; CHECK-LABEL: exact2 ; CHECK: da analyze - none! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! for.body: ; preds = %entry, %for.body %i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ] %conv = trunc i64 %i.02 to i32 %mul = mul i64 %i.02, 6 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %mul store i32 %conv, i32* %arrayidx, align 4 %add = add i64 %i.02, 60 %arrayidx1 = getelementptr inbounds i32, i32* %A, i64 %add %0 = load i32, i32* %arrayidx1, align 4 %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.01, i64 1 store i32 %0, i32* %B.addr.01, align 4 %inc = add i64 %i.02, 1 %exitcond = icmp ne i64 %inc, 10 br i1 %exitcond, label %for.body, label %for.end for.end: ; preds = %for.body ret void } ;; for (long unsigned i = 0; i <= 10; i++) { ;; A[6*i] = i; ;; *B++ = A[i + 60]; define void @exact3(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.body ; CHECK-LABEL: exact3 ; CHECK: da analyze - none! ; CHECK: da analyze - flow [<]! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! for.body: ; preds = %entry, %for.body %i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ] %conv = trunc i64 %i.02 to i32 %mul = mul i64 %i.02, 6 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %mul store i32 %conv, i32* %arrayidx, align 4 %add = add i64 %i.02, 60 %arrayidx1 = getelementptr inbounds i32, i32* %A, i64 %add %0 = load i32, i32* %arrayidx1, align 4 %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.01, i64 1 store i32 %0, i32* %B.addr.01, align 4 %inc = add i64 %i.02, 1 %exitcond = icmp ne i64 %inc, 11 br i1 %exitcond, label %for.body, label %for.end for.end: ; preds = %for.body ret void } ;; for (long unsigned i = 0; i < 12; i++) { ;; A[6*i] = i; ;; *B++ = A[i + 60]; define void @exact4(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.body ; CHECK-LABEL: exact4 ; CHECK: da analyze - none! ; CHECK: da analyze - flow [<]! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! for.body: ; preds = %entry, %for.body %i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ] %conv = trunc i64 %i.02 to i32 %mul = mul i64 %i.02, 6 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %mul store i32 %conv, i32* %arrayidx, align 4 %add = add i64 %i.02, 60 %arrayidx1 = getelementptr inbounds i32, i32* %A, i64 %add %0 = load i32, i32* %arrayidx1, align 4 %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.01, i64 1 store i32 %0, i32* %B.addr.01, align 4 %inc = add i64 %i.02, 1 %exitcond = icmp ne i64 %inc, 12 br i1 %exitcond, label %for.body, label %for.end for.end: ; preds = %for.body ret void } ;; for (long unsigned i = 0; i <= 12; i++) { ;; A[6*i] = i; ;; *B++ = A[i + 60]; define void @exact5(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.body ; CHECK-LABEL: exact5 ; CHECK: da analyze - none! ; CHECK: da analyze - flow [<]! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! for.body: ; preds = %entry, %for.body %i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ] %conv = trunc i64 %i.02 to i32 %mul = mul i64 %i.02, 6 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %mul store i32 %conv, i32* %arrayidx, align 4 %add = add i64 %i.02, 60 %arrayidx1 = getelementptr inbounds i32, i32* %A, i64 %add %0 = load i32, i32* %arrayidx1, align 4 %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.01, i64 1 store i32 %0, i32* %B.addr.01, align 4 %inc = add i64 %i.02, 1 %exitcond = icmp ne i64 %inc, 13 br i1 %exitcond, label %for.body, label %for.end for.end: ; preds = %for.body ret void } ;; for (long unsigned i = 0; i < 18; i++) { ;; A[6*i] = i; ;; *B++ = A[i + 60]; define void @exact6(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.body ; CHECK-LABEL: exact6 ; CHECK: da analyze - none! ; CHECK: da analyze - flow [<]! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! for.body: ; preds = %entry, %for.body %i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ] %conv = trunc i64 %i.02 to i32 %mul = mul i64 %i.02, 6 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %mul store i32 %conv, i32* %arrayidx, align 4 %add = add i64 %i.02, 60 %arrayidx1 = getelementptr inbounds i32, i32* %A, i64 %add %0 = load i32, i32* %arrayidx1, align 4 %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.01, i64 1 store i32 %0, i32* %B.addr.01, align 4 %inc = add i64 %i.02, 1 %exitcond = icmp ne i64 %inc, 18 br i1 %exitcond, label %for.body, label %for.end for.end: ; preds = %for.body ret void } ;; for (long unsigned i = 0; i <= 18; i++) { ;; A[6*i] = i; ;; *B++ = A[i + 60]; define void @exact7(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.body ; CHECK-LABEL: exact7 ; CHECK: da analyze - none! ; CHECK: da analyze - flow [<]! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! for.body: ; preds = %entry, %for.body %i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ] %conv = trunc i64 %i.02 to i32 %mul = mul i64 %i.02, 6 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %mul store i32 %conv, i32* %arrayidx, align 4 %add = add i64 %i.02, 60 %arrayidx1 = getelementptr inbounds i32, i32* %A, i64 %add %0 = load i32, i32* %arrayidx1, align 4 %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.01, i64 1 store i32 %0, i32* %B.addr.01, align 4 %inc = add i64 %i.02, 1 %exitcond = icmp ne i64 %inc, 19 br i1 %exitcond, label %for.body, label %for.end for.end: ; preds = %for.body ret void } ;; for (long unsigned i = 0; i < 10; i++) { ;; A[-6*i] = i; ;; *B++ = A[-i - 60]; define void @exact8(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.body ; CHECK-LABEL: exact8 ; CHECK: da analyze - none! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! for.body: ; preds = %entry, %for.body %i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ] %conv = trunc i64 %i.02 to i32 %mul = mul i64 %i.02, -6 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %mul store i32 %conv, i32* %arrayidx, align 4 %sub1 = sub i64 -60, %i.02 %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %sub1 %0 = load i32, i32* %arrayidx2, align 4 %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.01, i64 1 store i32 %0, i32* %B.addr.01, align 4 %inc = add i64 %i.02, 1 %exitcond = icmp ne i64 %inc, 10 br i1 %exitcond, label %for.body, label %for.end for.end: ; preds = %for.body ret void } ;; for (long unsigned i = 0; i <= 10; i++) { ;; A[-6*i] = i; ;; *B++ = A[-i - 60]; define void @exact9(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.body ; CHECK-LABEL: exact9 ; CHECK: da analyze - none! ; CHECK: da analyze - flow [<]! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! for.body: ; preds = %entry, %for.body %i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ] %conv = trunc i64 %i.02 to i32 %mul = mul i64 %i.02, -6 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %mul store i32 %conv, i32* %arrayidx, align 4 %sub1 = sub i64 -60, %i.02 %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %sub1 %0 = load i32, i32* %arrayidx2, align 4 %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.01, i64 1 store i32 %0, i32* %B.addr.01, align 4 %inc = add i64 %i.02, 1 %exitcond = icmp ne i64 %inc, 11 br i1 %exitcond, label %for.body, label %for.end for.end: ; preds = %for.body ret void } ;; for (long unsigned i = 0; i < 12; i++) { ;; A[-6*i] = i; ;; *B++ = A[-i - 60]; define void @exact10(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.body ; CHECK-LABEL: exact10 ; CHECK: da analyze - none! ; CHECK: da analyze - flow [<]! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! for.body: ; preds = %entry, %for.body %i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ] %conv = trunc i64 %i.02 to i32 %mul = mul i64 %i.02, -6 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %mul store i32 %conv, i32* %arrayidx, align 4 %sub1 = sub i64 -60, %i.02 %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %sub1 %0 = load i32, i32* %arrayidx2, align 4 %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.01, i64 1 store i32 %0, i32* %B.addr.01, align 4 %inc = add i64 %i.02, 1 %exitcond = icmp ne i64 %inc, 12 br i1 %exitcond, label %for.body, label %for.end for.end: ; preds = %for.body ret void } ;; for (long unsigned i = 0; i <= 12; i++) { ;; A[-6*i] = i; ;; *B++ = A[-i - 60]; define void @exact11(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.body ; CHECK-LABEL: exact11 ; CHECK: da analyze - none! ; CHECK: da analyze - flow [<]! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! for.body: ; preds = %entry, %for.body %i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ] %conv = trunc i64 %i.02 to i32 %mul = mul i64 %i.02, -6 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %mul store i32 %conv, i32* %arrayidx, align 4 %sub1 = sub i64 -60, %i.02 %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %sub1 %0 = load i32, i32* %arrayidx2, align 4 %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.01, i64 1 store i32 %0, i32* %B.addr.01, align 4 %inc = add i64 %i.02, 1 %exitcond = icmp ne i64 %inc, 13 br i1 %exitcond, label %for.body, label %for.end for.end: ; preds = %for.body ret void } ;; for (long unsigned i = 0; i < 18; i++) { ;; A[-6*i] = i; ;; *B++ = A[-i - 60]; define void @exact12(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.body ; CHECK-LABEL: exact12 ; CHECK: da analyze - none! ; CHECK: da analyze - flow [<]! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! for.body: ; preds = %entry, %for.body %i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ] %conv = trunc i64 %i.02 to i32 %mul = mul i64 %i.02, -6 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %mul store i32 %conv, i32* %arrayidx, align 4 %sub1 = sub i64 -60, %i.02 %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %sub1 %0 = load i32, i32* %arrayidx2, align 4 %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.01, i64 1 store i32 %0, i32* %B.addr.01, align 4 %inc = add i64 %i.02, 1 %exitcond = icmp ne i64 %inc, 18 br i1 %exitcond, label %for.body, label %for.end for.end: ; preds = %for.body ret void } ;; for (long unsigned i = 0; i <= 18; i++) { ;; A[-6*i] = i; ;; *B++ = A[-i - 60]; define void @exact13(i32* %A, i32* %B) nounwind uwtable ssp { entry: br label %for.body ; CHECK-LABEL: exact13 ; CHECK: da analyze - none! ; CHECK: da analyze - flow [<]! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! ; CHECK: da analyze - confused! ; CHECK: da analyze - none! for.body: ; preds = %entry, %for.body %i.02 = phi i64 [ 0, %entry ], [ %inc, %for.body ] %B.addr.01 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.body ] %conv = trunc i64 %i.02 to i32 %mul = mul i64 %i.02, -6 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %mul store i32 %conv, i32* %arrayidx, align 4 %sub1 = sub i64 -60, %i.02 %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %sub1 %0 = load i32, i32* %arrayidx2, align 4 %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.01, i64 1 store i32 %0, i32* %B.addr.01, align 4 %inc = add i64 %i.02, 1 %exitcond = icmp ne i64 %inc, 19 br i1 %exitcond, label %for.body, label %for.end for.end: ; preds = %for.body ret void }