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ScopDetect: Add test cases for non-simple regions 

llvm-svn: 177567
This commit is contained in:
Tobias Grosser 2013-03-20 20:02:35 +00:00
parent 2881da7929
commit e4584f6abf
3 changed files with 118 additions and 0 deletions
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45
polly/test/ScopDetect/simple_loop_non_single_entry.ll Normal file
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; RUN: opt %loadPolly -polly-detect -analyze < %s | FileCheck %s
; RUN: opt %loadPolly -polly-region-simplify -polly-detect -analyze < %s | FileCheck %s -check-prefix=CHECK-SIMPLIFY
; void f(long A[], long N) {
; long i;
;
; if (true)
; goto loop;
; else
; goto loop;
;
; loop:
; for (i = 0; i < N; ++i)
; A[i] = i;
; }
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"
target triple = "x86_64-unknown-linux-gnu"
define void @f(i64* %A, i64 %N) nounwind {
entry:
fence seq_cst
br i1 true, label %then, label %else
then:
br label %for.i
else:
br label %for.i
for.i:
%indvar = phi i64 [ 0, %then ], [ 0, %else], [ %indvar.next, %for.i ]
%scevgep = getelementptr i64* %A, i64 %indvar
store i64 %indvar, i64* %scevgep
%indvar.next = add nsw i64 %indvar, 1
%exitcond = icmp eq i64 %indvar.next, %N
br i1 %exitcond, label %return, label %for.i
return:
fence seq_cst
ret void
}
; CHECK-NOT: Valid Region for Scop
; CHECK-SIMPLIFY: Valid Region for Scop: for.i => return

36
polly/test/ScopDetect/simple_loop_non_single_exit.ll Normal file
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; RUN: opt %loadPolly -polly-detect -analyze < %s | FileCheck %s
; RUN: opt %loadPolly -polly-region-simplify -polly-detect -analyze < %s | FileCheck %s -check-prefix=CHECK-SIMPLIFY
; void f(long A[], long N) {
; long i;
; if (true)
; for (i = 0; i < N; ++i)
; A[i] = i;
; }
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"
target triple = "x86_64-unknown-linux-gnu"
define void @f(i64* %A, i64 %N) nounwind {
entry:
fence seq_cst
br label %next
next:
br i1 true, label %for.i, label %return
for.i:
%indvar = phi i64 [ 0, %next], [ %indvar.next, %for.i ]
%scevgep = getelementptr i64* %A, i64 %indvar
store i64 %indvar, i64* %scevgep
%indvar.next = add nsw i64 %indvar, 1
%exitcond = icmp eq i64 %indvar.next, %N
br i1 %exitcond, label %return, label %for.i
return:
fence seq_cst
ret void
}
; CHECK: Valid Region for Scop: for.i => return
; CHECK-SIMPLIFY: Valid Region for Scop: next => return

37
polly/test/ScopDetect/simple_loop_non_single_exit_2.ll Normal file
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; RUN: opt %loadPolly -polly-detect -analyze < %s | FileCheck %s
; RUN: opt %loadPolly -polly-region-simplify -polly-detect -analyze < %s | FileCheck %s -check-prefix=CHECK-SIMPLIFY
; void f(long A[], long N) {
; long i;
; if (true)
; if (true)
; for (i = 0; i < N; ++i)
; A[i] = i;
; }
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"
target triple = "x86_64-unknown-linux-gnu"
define void @f(i64* %A, i64 %N) nounwind {
entry:
fence seq_cst
br i1 true, label %next, label %return
next:
br i1 true, label %for.i, label %return
for.i:
%indvar = phi i64 [ 0, %next], [ %indvar.next, %for.i ]
%scevgep = getelementptr i64* %A, i64 %indvar
store i64 %indvar, i64* %scevgep
%indvar.next = add nsw i64 %indvar, 1
%exitcond = icmp eq i64 %indvar.next, %N
br i1 %exitcond, label %return, label %for.i
return:
fence seq_cst
ret void
}
; CHECK: Valid Region for Scop: for.i => return
; CHECK-SIMPLIFY: Valid Region for Scop: next => return.single_exit1