forked from OSchip/llvm-project
424 lines
14 KiB
LLVM
424 lines
14 KiB
LLVM
; RUN: opt < %s -analyze -basicaa -da | FileCheck %s
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; ModuleID = 'SymbolicSIV.bc'
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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"
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target triple = "x86_64-apple-macosx10.6.0"
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;; for (long int i = 0; i < n; i++) {
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;; A[2*i + n] = i;
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;; *B++ = A[3*i + 3*n];
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define void @symbolicsiv0(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp {
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entry:
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%cmp1 = icmp eq i64 %n, 0
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br i1 %cmp1, label %for.end, label %for.body.preheader
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; CHECK: da analyze - none!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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for.body.preheader: ; preds = %entry
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br label %for.body
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for.body: ; preds = %for.body.preheader, %for.body
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%i.03 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ]
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%B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
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%conv = trunc i64 %i.03 to i32
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%mul = shl nsw i64 %i.03, 1
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%add = add i64 %mul, %n
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%arrayidx = getelementptr inbounds i32* %A, i64 %add
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store i32 %conv, i32* %arrayidx, align 4
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%mul14 = add i64 %i.03, %n
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%add3 = mul i64 %mul14, 3
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%arrayidx4 = getelementptr inbounds i32* %A, i64 %add3
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%0 = load i32* %arrayidx4, align 4
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%incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1
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store i32 %0, i32* %B.addr.02, align 4
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%inc = add nsw i64 %i.03, 1
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%exitcond = icmp ne i64 %inc, %n
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br i1 %exitcond, label %for.body, label %for.end.loopexit
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for.end.loopexit: ; preds = %for.body
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br label %for.end
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for.end: ; preds = %for.end.loopexit, %entry
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ret void
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}
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;; for (long int i = 0; i < n; i++) {
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;; A[2*i + 5*n] = i;
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;; *B++ = A[3*i + 2*n];
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define void @symbolicsiv1(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp {
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entry:
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%cmp1 = icmp eq i64 %n, 0
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br i1 %cmp1, label %for.end, label %for.body.preheader
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; CHECK: da analyze - none!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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for.body.preheader: ; preds = %entry
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br label %for.body
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for.body: ; preds = %for.body.preheader, %for.body
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%i.03 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ]
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%B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
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%conv = trunc i64 %i.03 to i32
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%mul = shl nsw i64 %i.03, 1
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%mul1 = mul i64 %n, 5
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%add = add i64 %mul, %mul1
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%arrayidx = getelementptr inbounds i32* %A, i64 %add
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store i32 %conv, i32* %arrayidx, align 4
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%mul2 = mul nsw i64 %i.03, 3
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%mul3 = shl i64 %n, 1
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%add4 = add i64 %mul2, %mul3
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%arrayidx5 = getelementptr inbounds i32* %A, i64 %add4
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%0 = load i32* %arrayidx5, align 4
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%incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1
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store i32 %0, i32* %B.addr.02, align 4
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%inc = add nsw i64 %i.03, 1
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%exitcond = icmp ne i64 %inc, %n
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br i1 %exitcond, label %for.body, label %for.end.loopexit
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for.end.loopexit: ; preds = %for.body
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br label %for.end
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for.end: ; preds = %for.end.loopexit, %entry
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ret void
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}
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;; for (long int i = 0; i < n; i++) {
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;; A[2*i - n] = i;
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;; *B++ = A[-i + 2*n];
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define void @symbolicsiv2(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp {
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entry:
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%cmp1 = icmp eq i64 %n, 0
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br i1 %cmp1, label %for.end, label %for.body.preheader
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; CHECK: da analyze - none!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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for.body.preheader: ; preds = %entry
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br label %for.body
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for.body: ; preds = %for.body.preheader, %for.body
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%i.03 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ]
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%B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
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%conv = trunc i64 %i.03 to i32
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%mul = shl nsw i64 %i.03, 1
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%sub = sub i64 %mul, %n
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%arrayidx = getelementptr inbounds i32* %A, i64 %sub
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store i32 %conv, i32* %arrayidx, align 4
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%mul2 = shl i64 %n, 1
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%add = sub i64 %mul2, %i.03
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%arrayidx3 = getelementptr inbounds i32* %A, i64 %add
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%0 = load i32* %arrayidx3, align 4
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%incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1
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store i32 %0, i32* %B.addr.02, align 4
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%inc = add nsw i64 %i.03, 1
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%exitcond = icmp ne i64 %inc, %n
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br i1 %exitcond, label %for.body, label %for.end.loopexit
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for.end.loopexit: ; preds = %for.body
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br label %for.end
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for.end: ; preds = %for.end.loopexit, %entry
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ret void
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}
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;; for (long int i = 0; i < n; i++) {
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;; A[-2*i + n + 1] = i;
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;; *B++ = A[i - 2*n];
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define void @symbolicsiv3(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp {
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entry:
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%cmp1 = icmp eq i64 %n, 0
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br i1 %cmp1, label %for.end, label %for.body.preheader
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; CHECK: da analyze - none!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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for.body.preheader: ; preds = %entry
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br label %for.body
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for.body: ; preds = %for.body.preheader, %for.body
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%i.03 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ]
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%B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
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%conv = trunc i64 %i.03 to i32
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%mul = mul nsw i64 %i.03, -2
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%add = add i64 %mul, %n
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%add1 = add i64 %add, 1
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%arrayidx = getelementptr inbounds i32* %A, i64 %add1
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store i32 %conv, i32* %arrayidx, align 4
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%mul2 = shl i64 %n, 1
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%sub = sub i64 %i.03, %mul2
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%arrayidx3 = getelementptr inbounds i32* %A, i64 %sub
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%0 = load i32* %arrayidx3, align 4
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%incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1
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store i32 %0, i32* %B.addr.02, align 4
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%inc = add nsw i64 %i.03, 1
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%exitcond = icmp ne i64 %inc, %n
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br i1 %exitcond, label %for.body, label %for.end.loopexit
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for.end.loopexit: ; preds = %for.body
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br label %for.end
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for.end: ; preds = %for.end.loopexit, %entry
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ret void
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}
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;; for (long int i = 0; i < n; i++) {
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;; A[-2*i + 3*n] = i;
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;; *B++ = A[-i + n];
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define void @symbolicsiv4(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp {
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entry:
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%cmp1 = icmp eq i64 %n, 0
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br i1 %cmp1, label %for.end, label %for.body.preheader
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; CHECK: da analyze - none!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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for.body.preheader: ; preds = %entry
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br label %for.body
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for.body: ; preds = %for.body.preheader, %for.body
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%i.03 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ]
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%B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
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%conv = trunc i64 %i.03 to i32
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%mul = mul nsw i64 %i.03, -2
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%mul1 = mul i64 %n, 3
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%add = add i64 %mul, %mul1
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%arrayidx = getelementptr inbounds i32* %A, i64 %add
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store i32 %conv, i32* %arrayidx, align 4
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%add2 = sub i64 %n, %i.03
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%arrayidx3 = getelementptr inbounds i32* %A, i64 %add2
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%0 = load i32* %arrayidx3, align 4
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%incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1
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store i32 %0, i32* %B.addr.02, align 4
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%inc = add nsw i64 %i.03, 1
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%exitcond = icmp ne i64 %inc, %n
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br i1 %exitcond, label %for.body, label %for.end.loopexit
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for.end.loopexit: ; preds = %for.body
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br label %for.end
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for.end: ; preds = %for.end.loopexit, %entry
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ret void
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}
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;; for (long int i = 0; i < n; i++) {
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;; A[-2*i - 2*n] = i;
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;; *B++ = A[-i - n];
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define void @symbolicsiv5(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp {
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entry:
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%cmp1 = icmp eq i64 %n, 0
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br i1 %cmp1, label %for.end, label %for.body.preheader
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; CHECK: da analyze - none!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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for.body.preheader: ; preds = %entry
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br label %for.body
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for.body: ; preds = %for.body.preheader, %for.body
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%i.03 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ]
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%B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
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%conv = trunc i64 %i.03 to i32
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%mul = mul nsw i64 %i.03, -2
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%mul1 = shl i64 %n, 1
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%sub = sub i64 %mul, %mul1
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%arrayidx = getelementptr inbounds i32* %A, i64 %sub
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store i32 %conv, i32* %arrayidx, align 4
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%sub2 = sub nsw i64 0, %i.03
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%sub3 = sub i64 %sub2, %n
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%arrayidx4 = getelementptr inbounds i32* %A, i64 %sub3
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%0 = load i32* %arrayidx4, align 4
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%incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1
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store i32 %0, i32* %B.addr.02, align 4
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%inc = add nsw i64 %i.03, 1
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%exitcond = icmp ne i64 %inc, %n
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br i1 %exitcond, label %for.body, label %for.end.loopexit
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for.end.loopexit: ; preds = %for.body
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br label %for.end
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for.end: ; preds = %for.end.loopexit, %entry
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ret void
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}
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;; why doesn't SCEV package understand that n >= 0?
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;; for (long unsigned i = 0; i < n; i++) {
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;; A[i + n + 1] = i;
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;; *B++ = A[-i];
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define void @weaktest(i32* %A, i32* %B, i64 %n) nounwind uwtable ssp {
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entry:
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%cmp1 = icmp eq i64 %n, 0
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br i1 %cmp1, label %for.end, label %for.body.preheader
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; CHECK: da analyze - none!
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; CHECK: da analyze - flow [*|<] splitable!
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; CHECK: da analyze - split level = 1, iteration = ((0 smax (-1 + (-1 * %n))) /u 2)!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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for.body.preheader: ; preds = %entry
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br label %for.body
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for.body: ; preds = %for.body.preheader, %for.body
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%i.03 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ]
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%B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
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%conv = trunc i64 %i.03 to i32
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%add = add i64 %i.03, %n
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%add1 = add i64 %add, 1
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%arrayidx = getelementptr inbounds i32* %A, i64 %add1
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store i32 %conv, i32* %arrayidx, align 4
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%sub = sub i64 0, %i.03
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%arrayidx2 = getelementptr inbounds i32* %A, i64 %sub
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%0 = load i32* %arrayidx2, align 4
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%incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1
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store i32 %0, i32* %B.addr.02, align 4
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%inc = add i64 %i.03, 1
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%exitcond = icmp ne i64 %inc, %n
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br i1 %exitcond, label %for.body, label %for.end.loopexit
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for.end.loopexit: ; preds = %for.body
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br label %for.end
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for.end: ; preds = %for.end.loopexit, %entry
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ret void
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}
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;; for (long int i = 0; i < n; i++) {
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;; A[4*N*i + M] = i;
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;; *B++ = A[4*N*i + 3*M + 1];
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define void @symbolicsiv6(i32* %A, i32* %B, i64 %n, i64 %N, i64 %M) nounwind uwtable ssp {
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entry:
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%cmp1 = icmp eq i64 %n, 0
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br i1 %cmp1, label %for.end, label %for.body.preheader
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; CHECK: da analyze - none!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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for.body.preheader: ; preds = %entry
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br label %for.body
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for.body: ; preds = %for.body.preheader, %for.body
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%i.03 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ]
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%B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
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%conv = trunc i64 %i.03 to i32
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%mul = shl i64 %N, 2
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%mul1 = mul i64 %mul, %i.03
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%add = add i64 %mul1, %M
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%arrayidx = getelementptr inbounds i32* %A, i64 %add
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store i32 %conv, i32* %arrayidx, align 4
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%mul2 = shl i64 %N, 2
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%mul3 = mul i64 %mul2, %i.03
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%mul4 = mul i64 %M, 3
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%add5 = add i64 %mul3, %mul4
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%add6 = add i64 %add5, 1
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%arrayidx7 = getelementptr inbounds i32* %A, i64 %add6
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%0 = load i32* %arrayidx7, align 4
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%incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1
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store i32 %0, i32* %B.addr.02, align 4
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%inc = add nsw i64 %i.03, 1
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%exitcond = icmp ne i64 %inc, %n
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br i1 %exitcond, label %for.body, label %for.end.loopexit
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for.end.loopexit: ; preds = %for.body
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br label %for.end
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for.end: ; preds = %for.end.loopexit, %entry
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ret void
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}
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;; for (long int i = 0; i < n; i++) {
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;; A[2*N*i + M] = i;
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;; *B++ = A[2*N*i - 3*M + 2];
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define void @symbolicsiv7(i32* %A, i32* %B, i64 %n, i64 %N, i64 %M) nounwind uwtable ssp {
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entry:
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%cmp1 = icmp eq i64 %n, 0
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br i1 %cmp1, label %for.end, label %for.body.preheader
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; CHECK: da analyze - none!
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; CHECK: da analyze - flow [<>]!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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; CHECK: da analyze - confused!
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; CHECK: da analyze - none!
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for.body.preheader: ; preds = %entry
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br label %for.body
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for.body: ; preds = %for.body.preheader, %for.body
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%i.03 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ]
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%B.addr.02 = phi i32* [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
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%conv = trunc i64 %i.03 to i32
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%mul = shl i64 %N, 1
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%mul1 = mul i64 %mul, %i.03
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%add = add i64 %mul1, %M
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%arrayidx = getelementptr inbounds i32* %A, i64 %add
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store i32 %conv, i32* %arrayidx, align 4
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%mul2 = shl i64 %N, 1
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%mul3 = mul i64 %mul2, %i.03
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%0 = mul i64 %M, -3
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%sub = add i64 %mul3, %0
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%add5 = add i64 %sub, 2
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%arrayidx6 = getelementptr inbounds i32* %A, i64 %add5
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%1 = load i32* %arrayidx6, align 4
|
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%incdec.ptr = getelementptr inbounds i32* %B.addr.02, i64 1
|
|
store i32 %1, i32* %B.addr.02, align 4
|
|
%inc = add nsw i64 %i.03, 1
|
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%exitcond = icmp ne i64 %inc, %n
|
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br i1 %exitcond, label %for.body, label %for.end.loopexit
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|
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for.end.loopexit: ; preds = %for.body
|
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br label %for.end
|
|
|
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for.end: ; preds = %for.end.loopexit, %entry
|
|
ret void
|
|
}
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