; RUN: opt < %s -disable-output "-passes=print<da>" -aa-pipeline=basic-aa 2>&1 \
; RUN: | FileCheck %s
; ModuleID = 'WeakZeroSrcSIV.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 (int i = 0; i < N; i++) {
;; A[0] = 1;
;; A[i] = 2;
define void @dstzero(ptr nocapture %A, i32 %N) {
entry:
%cmp6 = icmp sgt i32 %N, 0
br i1 %cmp6, label %for.body, label %for.cond.cleanup
; CHECK: da analyze - consistent output [S]!
; CHECK: da analyze - output [p=>|<]!
; CHECK: da analyze - none!
for.body: ; preds = %entry, %for.body
%i.07 = phi i32 [ %add, %for.body ], [ 0, %entry ]
store i32 0, ptr %A, align 4
%arrayidx1 = getelementptr inbounds i32, ptr %A, i32 %i.07
store i32 1, ptr %arrayidx1, align 4
%add = add nuw nsw i32 %i.07, 1
%exitcond = icmp eq i32 %add, %N
br i1 %exitcond, label %for.cond.cleanup, label %for.body
for.cond.cleanup: ; preds = %for.body, %entry
ret void
}
;; for (long unsigned i = 0; i < 30; i++) {
;; A[10] = i;
;; *B++ = A[2*i + 10];
define void @weakzerosrc0(ptr %A, ptr %B, i64 %n) nounwind uwtable ssp {
entry:
br label %for.body
; CHECK: da analyze - consistent output [S]!
; CHECK: da analyze - flow [p=>|<]!
; 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 ptr [ %B, %entry ], [ %incdec.ptr, %for.body ]
%conv = trunc i64 %i.02 to i32
%arrayidx = getelementptr inbounds i32, ptr %A, i64 10
store i32 %conv, ptr %arrayidx, align 4
%mul = shl i64 %i.02, 1
%add = add i64 %mul, 10
%arrayidx1 = getelementptr inbounds i32, ptr %A, i64 %add
%0 = load i32, ptr %arrayidx1, align 4
%incdec.ptr = getelementptr inbounds i32, ptr %B.addr.01, i64 1
store i32 %0, ptr %B.addr.01, align 4
%inc = add i64 %i.02, 1
%exitcond = icmp ne i64 %inc, 30
br i1 %exitcond, label %for.body, label %for.end
for.end: ; preds = %for.body
ret void
}
;; for (long unsigned i = 0; i < n; i++) {
;; A[10] = i;
;; *B++ = A[n*i + 10];
define void @weakzerosrc1(ptr %A, ptr %B, i64 %n) nounwind uwtable ssp {
entry:
%cmp1 = icmp eq i64 %n, 0
br i1 %cmp1, label %for.end, label %for.body.preheader
; CHECK: da analyze - consistent output [S]!
; CHECK: da analyze - flow [p=>|<]!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
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 ptr [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
%conv = trunc i64 %i.03 to i32
%arrayidx = getelementptr inbounds i32, ptr %A, i64 10
store i32 %conv, ptr %arrayidx, align 4
%mul = mul i64 %i.03, %n
%add = add i64 %mul, 10
%arrayidx1 = getelementptr inbounds i32, ptr %A, i64 %add
%0 = load i32, ptr %arrayidx1, align 4
%incdec.ptr = getelementptr inbounds i32, ptr %B.addr.02, i64 1
store i32 %0, ptr %B.addr.02, align 4
%inc = add 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
}
;; for (long unsigned i = 0; i < 5; i++) {
;; A[10] = i;
;; *B++ = A[2*i];
define void @weakzerosrc2(ptr %A, ptr %B, i64 %n) nounwind uwtable ssp {
entry:
br label %for.body
; CHECK: da analyze - consistent output [S]!
; 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 ptr [ %B, %entry ], [ %incdec.ptr, %for.body ]
%conv = trunc i64 %i.02 to i32
%arrayidx = getelementptr inbounds i32, ptr %A, i64 10
store i32 %conv, ptr %arrayidx, align 4
%mul = shl i64 %i.02, 1
%arrayidx1 = getelementptr inbounds i32, ptr %A, i64 %mul
%0 = load i32, ptr %arrayidx1, align 4
%incdec.ptr = getelementptr inbounds i32, ptr %B.addr.01, i64 1
store i32 %0, ptr %B.addr.01, align 4
%inc = add i64 %i.02, 1
%exitcond = icmp ne i64 %inc, 5
br i1 %exitcond, label %for.body, label %for.end
for.end: ; preds = %for.body
ret void
}
;; for (long unsigned i = 0; i < 6; i++) {
;; A[10] = i;
;; *B++ = A[2*i];
define void @weakzerosrc3(ptr %A, ptr %B, i64 %n) nounwind uwtable ssp {
entry:
br label %for.body
; CHECK: da analyze - consistent output [S]!
; CHECK: da analyze - flow [<=p|<]!
; 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 ptr [ %B, %entry ], [ %incdec.ptr, %for.body ]
%conv = trunc i64 %i.02 to i32
%arrayidx = getelementptr inbounds i32, ptr %A, i64 10
store i32 %conv, ptr %arrayidx, align 4
%mul = shl i64 %i.02, 1
%arrayidx1 = getelementptr inbounds i32, ptr %A, i64 %mul
%0 = load i32, ptr %arrayidx1, align 4
%incdec.ptr = getelementptr inbounds i32, ptr %B.addr.01, i64 1
store i32 %0, ptr %B.addr.01, align 4
%inc = add i64 %i.02, 1
%exitcond = icmp ne i64 %inc, 6
br i1 %exitcond, label %for.body, label %for.end
for.end: ; preds = %for.body
ret void
}
;; for (long unsigned i = 0; i < 7; i++) {
;; A[10] = i;
;; *B++ = A[2*i];
define void @weakzerosrc4(ptr %A, ptr %B, i64 %n) nounwind uwtable ssp {
entry:
br label %for.body
; CHECK: da analyze - consistent output [S]!
; 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 ptr [ %B, %entry ], [ %incdec.ptr, %for.body ]
%conv = trunc i64 %i.02 to i32
%arrayidx = getelementptr inbounds i32, ptr %A, i64 10
store i32 %conv, ptr %arrayidx, align 4
%mul = shl i64 %i.02, 1
%arrayidx1 = getelementptr inbounds i32, ptr %A, i64 %mul
%0 = load i32, ptr %arrayidx1, align 4
%incdec.ptr = getelementptr inbounds i32, ptr %B.addr.01, i64 1
store i32 %0, ptr %B.addr.01, align 4
%inc = add i64 %i.02, 1
%exitcond = icmp ne i64 %inc, 7
br i1 %exitcond, label %for.body, label %for.end
for.end: ; preds = %for.body
ret void
}
;; for (long unsigned i = 0; i < 7; i++) {
;; A[-10] = i;
;; *B++ = A[2*i];
define void @weakzerosrc5(ptr %A, ptr %B, i64 %n) nounwind uwtable ssp {
entry:
br label %for.body
; CHECK: da analyze - consistent output [S]!
; 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 ptr [ %B, %entry ], [ %incdec.ptr, %for.body ]
%conv = trunc i64 %i.02 to i32
%arrayidx = getelementptr inbounds i32, ptr %A, i64 -10
store i32 %conv, ptr %arrayidx, align 4
%mul = shl i64 %i.02, 1
%arrayidx1 = getelementptr inbounds i32, ptr %A, i64 %mul
%0 = load i32, ptr %arrayidx1, align 4
%incdec.ptr = getelementptr inbounds i32, ptr %B.addr.01, i64 1
store i32 %0, ptr %B.addr.01, align 4
%inc = add i64 %i.02, 1
%exitcond = icmp ne i64 %inc, 7
br i1 %exitcond, label %for.body, label %for.end
for.end: ; preds = %for.body
ret void
}
;; for (long unsigned i = 0; i < n; i++) {
;; A[10] = i;
;; *B++ = A[3*i];
define void @weakzerosrc6(ptr %A, ptr %B, i64 %n) nounwind uwtable ssp {
entry:
%cmp1 = icmp eq i64 %n, 0
br i1 %cmp1, label %for.end, label %for.body.preheader
; CHECK: da analyze - consistent output [S]!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
; CHECK: da analyze - confused!
; CHECK: da analyze - none!
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 ptr [ %incdec.ptr, %for.body ], [ %B, %for.body.preheader ]
%conv = trunc i64 %i.03 to i32
%arrayidx = getelementptr inbounds i32, ptr %A, i64 10
store i32 %conv, ptr %arrayidx, align 4
%mul = mul i64 %i.03, 3
%arrayidx1 = getelementptr inbounds i32, ptr %A, i64 %mul
%0 = load i32, ptr %arrayidx1, align 4
%incdec.ptr = getelementptr inbounds i32, ptr %B.addr.02, i64 1
store i32 %0, ptr %B.addr.02, align 4
%inc = add 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
}
Codebase Browser
llvm