You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
51 lines
1.8 KiB
51 lines
1.8 KiB
4 months ago
|
; RUN: opt %loadPolly -polly-scops -analyze < %s | \
|
||
|
|
; RUN: FileCheck %s -check-prefix=NONAFFINE
|
||
|
|
; RUN: opt %loadPolly -polly-scops -analyze \
|
||
|
|
; RUN: -polly-allow-nonaffine-branches=false < %s | \
|
||
|
|
; RUN: FileCheck %s -check-prefix=NO-NONEAFFINE
|
||
|
|
|
||
|
|
; NONAFFINE-NOT: Statements
|
||
|
|
|
||
|
|
; NO-NONEAFFINE: Statements {
|
||
|
|
; NO-NONEAFFINE-NEXT: Stmt_then
|
||
|
|
; NO-NONEAFFINE-NEXT: Domain :=
|
||
|
|
; NO-NONEAFFINE-NEXT: [p_0] -> { Stmt_then[] : p_0 <= -2 or p_0 >= 0 };
|
||
|
|
; NO-NONEAFFINE-NEXT: Schedule :=
|
||
|
|
; NO-NONEAFFINE-NEXT: [p_0] -> { Stmt_then[] -> [] };
|
||
|
|
; NO-NONEAFFINE-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
|
||
|
|
; NO-NONEAFFINE-NEXT: [p_0] -> { Stmt_then[] -> MemRef_A[0] };
|
||
|
|
; NO-NONEAFFINE-NEXT: }
|
||
|
|
|
||
|
|
; Verify that this test case does not crash -polly-scops. The problem in
|
||
|
|
; this test case is that the branch instruction in %branch references
|
||
|
|
; a scalar evolution expression for which no useful value can be computed at the
|
||
|
|
; location %branch, as the loop %loop does not terminate. At some point, we
|
||
|
|
; did not identify the branch condition as non-affine during scop detection.
|
||
|
|
; This test verifies that we either model the branch condition as non-affine
|
||
|
|
; region (and return an empty scop) or only detect a smaller region if
|
||
|
|
; non-affine conditions are not allowed.
|
||
|
|
|
||
|
|
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
|
||
|
|
target triple = "aarch64--linux-android"
|
||
|
|
|
||
|
|
define void @f(i16 %event, float* %A) {
|
||
|
|
entry:
|
||
|
|
br label %loop
|
||
|
|
|
||
|
|
loop:
|
||
|
|
%indvar = phi i8 [ 0, %entry ], [ %indvar.next, %loop ]
|
||
|
|
%indvar.next = add i8 %indvar, 1
|
||
|
|
%cmp = icmp eq i8 %indvar.next, 0
|
||
|
|
br i1 false, label %branch, label %loop
|
||
|
|
|
||
|
|
branch:
|
||
|
|
br i1 %cmp, label %end, label %then
|
||
|
|
|
||
|
|
then:
|
||
|
|
store float 1.0, float* %A
|
||
|
|
br label %end
|
||
|
|
|
||
|
|
end:
|
||
|
|
ret void
|
||
|
|
}
|