llvm-capstone/polly/test/ScopInfo/isl_trip_count_03.ll
Tobias Grosser f4ee371e60 tests: Drop -polly-detect-unprofitable and -polly-no-early-exit
These flags are now always passed to all tests and need to be disabled if
not needed. Disabling these flags, rather than passing them to almost all
tests, significantly simplfies our RUN: lines.

llvm-svn: 249422
2015-10-06 15:36:44 +00:00

57 lines
2.0 KiB
LLVM

; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
;
; Test comes from a bug (15771) or better a feature request. It was not allowed
; in Polly in the old domain generation as ScalarEvolution cannot figure out the
; loop bounds. However, the new domain generation will detect the SCoP.
;
; CHECK: Context:
; CHECK: [n] -> { : n <= 2147483647 and n >= -2147483648 }
; CHECK: p0: %n
; CHECK: Statements {
; CHECK: Stmt_for_next
; CHECK: Domain :=
; CHECK: [n] -> { Stmt_for_next[i0] : i0 >= 0 and 2i0 <= -3 + n };
; CHECK: Schedule :=
; CHECK: [n] -> { Stmt_for_next[i0] -> [i0] };
; CHECK: ReadAccess :=
; CHECK: [n] -> { Stmt_for_next[i0] -> MemRef_A[i0] };
; CHECK: WriteAccess :=
; CHECK: [n] -> { Stmt_for_next[i0] -> MemRef_A[i0] };
; CHECK: }
;
@A = common global [100 x i32] zeroinitializer, align 16
define void @foo(i32 %n) #0 {
entry:
br label %entry.split
entry.split: ; preds = %entry
%cmp2 = icmp sgt i32 %n, 0
br i1 %cmp2, label %for.body.lr.ph, label %for.end
for.body.lr.ph: ; preds = %entry.split
br label %for.body
for.body: ; preds = %for.body.lr.ph, %for.body
%indvar = phi i64 [ 0, %for.body.lr.ph ], [ %indvar.next, %for.next ]
%arrayidx = getelementptr [100 x i32], [100 x i32]* @A, i64 0, i64 %indvar
%0 = mul i64 %indvar, 2
%1 = add i64 %0, 2
%add1 = trunc i64 %1 to i32
%cmp = icmp slt i32 %add1, %n
%indvar.next = add i64 %indvar, 1
br i1 %cmp, label %for.next, label %for.cond.for.end_crit_edge
for.next:
%2 = load i32, i32* %arrayidx, align 4
%add = add nsw i32 %2, 1
store i32 %add, i32* %arrayidx, align 4
br label %for.body
for.cond.for.end_crit_edge: ; preds = %for.body
br label %for.end
for.end: ; preds = %for.cond.for.end_crit_edge, %entry.split
ret void
}