branch-references-loop-scev-with-unknown-iterations-2.ll
1.22 KB
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; RUN: opt %loadPolly -polly-detect -analyze < %s | \
; RUN: FileCheck %s -check-prefix=DETECT
; RUN: opt %loadPolly -polly-scops -analyze < %s | \
; RUN: FileCheck %s -check-prefix=SCOP
; DETECT: Valid Region for Scop: loop => barrier
; DETECT-NEXT: Valid Region for Scop: branch => end
; SCOP: Statements {
; SCOP-NEXT: Stmt_then
; SCOP-NEXT: Domain :=
; SCOP-NEXT: [p_0] -> { Stmt_then[] : p_0 <= -2 or p_0 >= 0 };
; SCOP-NEXT: Schedule :=
; SCOP-NEXT: [p_0] -> { Stmt_then[] -> [] };
; SCOP-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
; SCOP-NEXT: [p_0] -> { Stmt_then[] -> MemRef_A[0] };
; SCOP-NEXT: }
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
store float 1.0, float* %A
%cmp = icmp eq i8 %indvar.next, 0
br i1 false, label %barrier, label %loop
barrier:
fence seq_cst
br label %branch
branch:
br i1 %cmp, label %branch, label %then
then:
store float 1.0, float* %A
br label %end
end:
ret void
}