llvm-6502/test/Analysis/DependenceAnalysis/ExactSIV.ll
Preston Briggs 3c1cc3888b Modified depends() to recognize that when all levels are "=" and
there's no possible loo-independent dependence, then there's no
dependence.

Updated all test result appropriately.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168719 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-27 19:12:26 +00:00

513 lines
16 KiB
LLVM

; RUN: opt < %s -analyze -basicaa -da | FileCheck %s
; ModuleID = 'ExactSIV.bc'
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: 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* %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* %A, i64 %add13
%0 = load i32* %arrayidx2, align 4
%incdec.ptr = getelementptr inbounds 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: 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* %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* %A, i64 %add23
%0 = load i32* %arrayidx3, align 4
%incdec.ptr = getelementptr inbounds 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: 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* %A, i64 %mul
store i32 %conv, i32* %arrayidx, align 4
%add = add i64 %i.02, 60
%arrayidx1 = getelementptr inbounds i32* %A, i64 %add
%0 = load i32* %arrayidx1, align 4
%incdec.ptr = getelementptr inbounds 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: 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* %A, i64 %mul
store i32 %conv, i32* %arrayidx, align 4
%add = add i64 %i.02, 60
%arrayidx1 = getelementptr inbounds i32* %A, i64 %add
%0 = load i32* %arrayidx1, align 4
%incdec.ptr = getelementptr inbounds 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: 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* %A, i64 %mul
store i32 %conv, i32* %arrayidx, align 4
%add = add i64 %i.02, 60
%arrayidx1 = getelementptr inbounds i32* %A, i64 %add
%0 = load i32* %arrayidx1, align 4
%incdec.ptr = getelementptr inbounds 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: 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* %A, i64 %mul
store i32 %conv, i32* %arrayidx, align 4
%add = add i64 %i.02, 60
%arrayidx1 = getelementptr inbounds i32* %A, i64 %add
%0 = load i32* %arrayidx1, align 4
%incdec.ptr = getelementptr inbounds 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: 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* %A, i64 %mul
store i32 %conv, i32* %arrayidx, align 4
%add = add i64 %i.02, 60
%arrayidx1 = getelementptr inbounds i32* %A, i64 %add
%0 = load i32* %arrayidx1, align 4
%incdec.ptr = getelementptr inbounds 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: 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* %A, i64 %mul
store i32 %conv, i32* %arrayidx, align 4
%add = add i64 %i.02, 60
%arrayidx1 = getelementptr inbounds i32* %A, i64 %add
%0 = load i32* %arrayidx1, align 4
%incdec.ptr = getelementptr inbounds 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: 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* %A, i64 %mul
store i32 %conv, i32* %arrayidx, align 4
%sub1 = sub i64 -60, %i.02
%arrayidx2 = getelementptr inbounds i32* %A, i64 %sub1
%0 = load i32* %arrayidx2, align 4
%incdec.ptr = getelementptr inbounds 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: 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* %A, i64 %mul
store i32 %conv, i32* %arrayidx, align 4
%sub1 = sub i64 -60, %i.02
%arrayidx2 = getelementptr inbounds i32* %A, i64 %sub1
%0 = load i32* %arrayidx2, align 4
%incdec.ptr = getelementptr inbounds 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: 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* %A, i64 %mul
store i32 %conv, i32* %arrayidx, align 4
%sub1 = sub i64 -60, %i.02
%arrayidx2 = getelementptr inbounds i32* %A, i64 %sub1
%0 = load i32* %arrayidx2, align 4
%incdec.ptr = getelementptr inbounds 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: 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* %A, i64 %mul
store i32 %conv, i32* %arrayidx, align 4
%sub1 = sub i64 -60, %i.02
%arrayidx2 = getelementptr inbounds i32* %A, i64 %sub1
%0 = load i32* %arrayidx2, align 4
%incdec.ptr = getelementptr inbounds 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: 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* %A, i64 %mul
store i32 %conv, i32* %arrayidx, align 4
%sub1 = sub i64 -60, %i.02
%arrayidx2 = getelementptr inbounds i32* %A, i64 %sub1
%0 = load i32* %arrayidx2, align 4
%incdec.ptr = getelementptr inbounds 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: 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* %A, i64 %mul
store i32 %conv, i32* %arrayidx, align 4
%sub1 = sub i64 -60, %i.02
%arrayidx2 = getelementptr inbounds i32* %A, i64 %sub1
%0 = load i32* %arrayidx2, align 4
%incdec.ptr = getelementptr inbounds 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
}