diff options
Diffstat (limited to 'test/Analysis/DependenceAnalysis/SymbolicSIV.ll')
| -rw-r--r-- | test/Analysis/DependenceAnalysis/SymbolicSIV.ll | 330 |
1 files changed, 330 insertions, 0 deletions
diff --git a/test/Analysis/DependenceAnalysis/SymbolicSIV.ll b/test/Analysis/DependenceAnalysis/SymbolicSIV.ll new file mode 100644 index 0000000..ee2343f --- /dev/null +++ b/test/Analysis/DependenceAnalysis/SymbolicSIV.ll @@ -0,0 +1,330 @@ +; RUN: opt < %s -analyze -basicaa -da | FileCheck %s + +; ModuleID = 'SymbolicSIV.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 int i = 0; i < n; i++) +;; A[2*i + n] = ... +;; ... = A[3*i + 3*n]; + +define void @symbolicsiv0(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp { +entry: + %cmp1 = icmp eq i64 %n, 0 + br i1 %cmp1, label %for.end, label %for.body + +for.body: ; preds = %for.body, %entry + %i.03 = phi i64 [ %inc, %for.body ], [ 0, %entry ] + %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %entry ] + %conv = trunc i64 %i.03 to i32 + %mul = shl nsw i64 %i.03, 1 + %add = add i64 %mul, %n + %arrayidx = getelementptr inbounds i32* %A, i64 %add + store i32 %conv, i32* %arrayidx, align 4 + %mul14 = add i64 %i.03, %n + %add3 = mul i64 %mul14, 3 + %arrayidx4 = getelementptr inbounds i32* %A, i64 %add3 + %0 = load i32* %arrayidx4, align 4 +; CHECK: da analyze - none! + %incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1 + store i32 %0, i32* %B.addr.02, align 4 + %inc = add nsw i64 %i.03, 1 + %cmp = icmp ult i64 %inc, %n + br i1 %cmp, label %for.body, label %for.end + +for.end: ; preds = %for.body, %entry + ret void +} + + +;; for (long int i = 0; i < n; i++) +;; A[2*i + 5*n] = ... +;; ... = A[3*i + 2*n]; + +define void @symbolicsiv1(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp { +entry: + %cmp1 = icmp eq i64 %n, 0 + br i1 %cmp1, label %for.end, label %for.body + +for.body: ; preds = %for.body, %entry + %i.03 = phi i64 [ %inc, %for.body ], [ 0, %entry ] + %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %entry ] + %conv = trunc i64 %i.03 to i32 + %mul = shl nsw i64 %i.03, 1 + %mul1 = mul i64 %n, 5 + %add = add i64 %mul, %mul1 + %arrayidx = getelementptr inbounds i32* %A, i64 %add + store i32 %conv, i32* %arrayidx, align 4 + %mul2 = mul nsw i64 %i.03, 3 + %mul3 = shl i64 %n, 1 + %add4 = add i64 %mul2, %mul3 + %arrayidx5 = getelementptr inbounds i32* %A, i64 %add4 + %0 = load i32* %arrayidx5, align 4 +; CHECK: da analyze - none! + %incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1 + store i32 %0, i32* %B.addr.02, align 4 + %inc = add nsw i64 %i.03, 1 + %cmp = icmp ult i64 %inc, %n + br i1 %cmp, label %for.body, label %for.end + +for.end: ; preds = %for.body, %entry + ret void +} + + +;; for (long int i = 0; i < n; i++) +;; A[2*i - n] = ... +;; ... = A[-i + 2*n]; + +define void @symbolicsiv2(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp { +entry: + %cmp1 = icmp eq i64 %n, 0 + br i1 %cmp1, label %for.end, label %for.body + +for.body: ; preds = %for.body, %entry + %i.03 = phi i64 [ %inc, %for.body ], [ 0, %entry ] + %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %entry ] + %conv = trunc i64 %i.03 to i32 + %mul = shl nsw i64 %i.03, 1 + %sub = sub i64 %mul, %n + %arrayidx = getelementptr inbounds i32* %A, i64 %sub + store i32 %conv, i32* %arrayidx, align 4 + %mul2 = shl i64 %n, 1 + %add = sub i64 %mul2, %i.03 + %arrayidx3 = getelementptr inbounds i32* %A, i64 %add + %0 = load i32* %arrayidx3, align 4 +; CHECK: da analyze - none! + %incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1 + store i32 %0, i32* %B.addr.02, align 4 + %inc = add nsw i64 %i.03, 1 + %cmp = icmp ult i64 %inc, %n + br i1 %cmp, label %for.body, label %for.end + +for.end: ; preds = %for.body, %entry + ret void +} + + +;; for (long int i = 0; i < n; i++) +;; A[-2*i + n + 1] = ... +;; ... = A[i - 2*n]; + +define void @symbolicsiv3(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp { +entry: + %cmp1 = icmp eq i64 %n, 0 + br i1 %cmp1, label %for.end, label %for.body + +for.body: ; preds = %for.body, %entry + %i.03 = phi i64 [ %inc, %for.body ], [ 0, %entry ] + %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %entry ] + %conv = trunc i64 %i.03 to i32 + %mul = mul nsw i64 %i.03, -2 + %add = add i64 %mul, %n + %add1 = add i64 %add, 1 + %arrayidx = getelementptr inbounds i32* %A, i64 %add1 + store i32 %conv, i32* %arrayidx, align 4 + %mul2 = shl i64 %n, 1 + %sub = sub i64 %i.03, %mul2 + %arrayidx3 = getelementptr inbounds i32* %A, i64 %sub + %0 = load i32* %arrayidx3, align 4 +; CHECK: da analyze - none! + %incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1 + store i32 %0, i32* %B.addr.02, align 4 + %inc = add nsw i64 %i.03, 1 + %cmp = icmp ult i64 %inc, %n + br i1 %cmp, label %for.body, label %for.end + +for.end: ; preds = %for.body, %entry + ret void +} + + +;; for (long int i = 0; i < n; i++) +;; A[-2*i + 3*n] = ... +;; ... = A[-i + n]; + +define void @symbolicsiv4(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp { +entry: + %cmp1 = icmp eq i64 %n, 0 + br i1 %cmp1, label %for.end, label %for.body + +for.body: ; preds = %for.body, %entry + %i.03 = phi i64 [ %inc, %for.body ], [ 0, %entry ] + %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %entry ] + %conv = trunc i64 %i.03 to i32 + %mul = mul nsw i64 %i.03, -2 + %mul1 = mul i64 %n, 3 + %add = add i64 %mul, %mul1 + %arrayidx = getelementptr inbounds i32* %A, i64 %add + store i32 %conv, i32* %arrayidx, align 4 + %add2 = sub i64 %n, %i.03 + %arrayidx3 = getelementptr inbounds i32* %A, i64 %add2 + %0 = load i32* %arrayidx3, align 4 +; CHECK: da analyze - none! + %incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1 + store i32 %0, i32* %B.addr.02, align 4 + %inc = add nsw i64 %i.03, 1 + %cmp = icmp ult i64 %inc, %n + br i1 %cmp, label %for.body, label %for.end + +for.end: ; preds = %for.body, %entry + ret void +} + + +;; for (long int i = 0; i < n; i++) +;; A[-2*i - 2*n] = ... +;; ... = A[-i - n]; + +define void @symbolicsiv5(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp { +entry: + %cmp1 = icmp eq i64 %n, 0 + br i1 %cmp1, label %for.end, label %for.body + +for.body: ; preds = %for.body, %entry + %i.03 = phi i64 [ %inc, %for.body ], [ 0, %entry ] + %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %entry ] + %conv = trunc i64 %i.03 to i32 + %mul = mul nsw i64 %i.03, -2 + %mul1 = shl i64 %n, 1 + %sub = sub i64 %mul, %mul1 + %arrayidx = getelementptr inbounds i32* %A, i64 %sub + store i32 %conv, i32* %arrayidx, align 4 + %sub2 = sub nsw i64 0, %i.03 + %sub3 = sub i64 %sub2, %n + %arrayidx4 = getelementptr inbounds i32* %A, i64 %sub3 + %0 = load i32* %arrayidx4, align 4 +; CHECK: da analyze - none! + %incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1 + store i32 %0, i32* %B.addr.02, align 4 + %inc = add nsw i64 %i.03, 1 + %cmp = icmp ult i64 %inc, %n + br i1 %cmp, label %for.body, label %for.end + +for.end: ; preds = %for.body, %entry + ret void +} + + +;; why doesn't SCEV package understand that n >= 0? +;;void weaktest(int *A, int *B, long unsigned n) +;; for (long unsigned i = 0; i < n; i++) +;; A[i + n + 1] = ... +;; ... = A[-i]; + +define void @weaktest(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp { +entry: + %cmp1 = icmp eq i64 %n, 0 + br i1 %cmp1, label %for.end, label %for.body + +for.body: ; preds = %for.body, %entry + %i.03 = phi i64 [ %inc, %for.body ], [ 0, %entry ] + %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %entry ] + %conv = trunc i64 %i.03 to i32 + %add = add i64 %i.03, %n + %add1 = add i64 %add, 1 + %arrayidx = getelementptr inbounds i32* %A, i64 %add1 + store i32 %conv, i32* %arrayidx, align 4 + %sub = sub i64 0, %i.03 + %arrayidx2 = getelementptr inbounds i32* %A, i64 %sub + %0 = load i32* %arrayidx2, align 4 +; CHECK: da analyze - flow [*|<] splitable! +; CHECK: da analyze - split level = 1, iteration = ((0 smax (-1 + (-1 * %n))) /u 2)! + %incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1 + store i32 %0, i32* %B.addr.02, align 4 + %inc = add i64 %i.03, 1 + %cmp = icmp ult i64 %inc, %n + br i1 %cmp, label %for.body, label %for.end + +for.end: ; preds = %for.body, %entry + ret void +} + + +;; void symbolicsiv6(int *A, int *B, long unsigned n, long unsigned N, long unsigned M) { +;; for (long int i = 0; i < n; i++) { +;; A[4*N*i + M] = i; +;; *B++ = A[4*N*i + 3*M + 1]; + +define void @symbolicsiv6(i32* %A, i32* %B, i64 %n, i64 %N, i64 %M) nounwind uwtable ssp { +entry: + %cmp1 = icmp eq i64 %n, 0 + br i1 %cmp1, label %for.end, label %for.body.preheader + +for.body.preheader: ; preds = %entry + br label %for.body + +for.body: ; preds = %for.body.preheader, %for.body + %i.03 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ] + %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ] + %conv = trunc i64 %i.03 to i32 + %mul = shl i64 %N, 2 + %mul1 = mul i64 %mul, %i.03 + %add = add i64 %mul1, %M + %arrayidx = getelementptr inbounds i32* %A, i64 %add + store i32 %conv, i32* %arrayidx, align 4 + %mul2 = shl i64 %N, 2 + %mul3 = mul i64 %mul2, %i.03 + %mul4 = mul i64 %M, 3 + %add5 = add i64 %mul3, %mul4 + %add6 = add i64 %add5, 1 + %arrayidx7 = getelementptr inbounds i32* %A, i64 %add6 + %0 = load i32* %arrayidx7, align 4 + %incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1 +; CHECK: da analyze - none! + store i32 %0, i32* %B.addr.02, align 4 + %inc = add nsw i64 %i.03, 1 + %exitcond = icmp ne i64 %inc, %n + br i1 %exitcond, label %for.body, label %for.end.loopexit + +for.end.loopexit: ; preds = %for.body + br label %for.end + +for.end: ; preds = %for.end.loopexit, %entry + ret void +} + + +;; void symbolicsiv7(int *A, int *B, long unsigned n, long unsigned N, long unsigned M) { +;; for (long int i = 0; i < n; i++) { +;; A[2*N*i + M] = i; +;; *B++ = A[2*N*i - 3*M + 2]; + +define void @symbolicsiv7(i32* %A, i32* %B, i64 %n, i64 %N, i64 %M) nounwind uwtable ssp { +entry: + %cmp1 = icmp eq i64 %n, 0 + br i1 %cmp1, label %for.end, label %for.body.preheader + +for.body.preheader: ; preds = %entry + br label %for.body + +for.body: ; preds = %for.body.preheader, %for.body + %i.03 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ] + %B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ] + %conv = trunc i64 %i.03 to i32 + %mul = shl i64 %N, 1 + %mul1 = mul i64 %mul, %i.03 + %add = add i64 %mul1, %M + %arrayidx = getelementptr inbounds i32* %A, i64 %add + store i32 %conv, i32* %arrayidx, align 4 + %mul2 = shl i64 %N, 1 + %mul3 = mul i64 %mul2, %i.03 + %0 = mul i64 %M, -3 + %sub = add i64 %mul3, %0 + %add5 = add i64 %sub, 2 + %arrayidx6 = getelementptr inbounds i32* %A, i64 %add5 + %1 = load i32* %arrayidx6, align 4 + %incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1 +; CHECK: da analyze - flow [<>]! + store i32 %1, i32* %B.addr.02, align 4 + %inc = add nsw i64 %i.03, 1 + %exitcond = icmp ne i64 %inc, %n + br i1 %exitcond, label %for.body, label %for.end.loopexit + +for.end.loopexit: ; preds = %for.body + br label %for.end + +for.end: ; preds = %for.end.loopexit, %entry + ret void +} |
