forked from OSchip/llvm-project
65 lines
1.8 KiB
LLVM
65 lines
1.8 KiB
LLVM
; RUN: opt %loadPolly -polly-import-jscop -polly-import-jscop-postfix=transformed -polly-codegen -S < %s | FileCheck %s
|
|
;
|
|
; Partial write of a (mapped) scalar in a non-affine subregion.
|
|
;
|
|
; for (int j = 0; j < n; j += 1) {
|
|
;subregion:
|
|
; val = 21.0 + 21.0;
|
|
; if (undef > undef)
|
|
;subregion_true: ;
|
|
;
|
|
;subregion_exit:
|
|
; if (j >= 5)
|
|
;user:
|
|
; A[0] = val;
|
|
; }
|
|
|
|
define void @partial_write_mapped_scalar_subregion(i32 %n, double* noalias nonnull %A) {
|
|
entry:
|
|
br label %for
|
|
|
|
for:
|
|
%j = phi i32 [0, %entry], [%j.inc, %inc]
|
|
%j.cmp = icmp slt i32 %j, %n
|
|
br i1 %j.cmp, label %subregion, label %exit
|
|
|
|
subregion:
|
|
%val = fadd double 21.0, 21.0
|
|
%nonaffine.cond = fcmp ogt double undef, undef
|
|
br i1 %nonaffine.cond, label %subregion_true, label %subregion_exit
|
|
|
|
subregion_true:
|
|
br label %subregion_exit
|
|
|
|
subregion_exit:
|
|
%if.cond = icmp sgt i32 %j, 5
|
|
br i1 %if.cond, label %user, label %inc
|
|
|
|
user:
|
|
store double %val, double* %A
|
|
br label %inc
|
|
|
|
inc:
|
|
%j.inc = add nuw nsw i32 %j, 1
|
|
br label %for
|
|
|
|
exit:
|
|
br label %return
|
|
|
|
return:
|
|
ret void
|
|
}
|
|
|
|
|
|
; CHECK-LABEL: polly.stmt.subregion_exit.exit:
|
|
; CHECK-NEXT: %1 = icmp sge i64 %polly.indvar, 5
|
|
; CHECK-NEXT: %polly.Stmt_subregion__TO__subregion_exit_Write0.cond = icmp ne i1 %1, false
|
|
; CHECK-NEXT: br i1 %polly.Stmt_subregion__TO__subregion_exit_Write0.cond, label %polly.stmt.subregion_exit.exit.Stmt_subregion__TO__subregion_exit_Write0.partial, label %polly.stmt.subregion_exit.exit.cont
|
|
|
|
; CHECK-LABEL: polly.stmt.subregion_exit.exit.Stmt_subregion__TO__subregion_exit_Write0.partial:
|
|
; CHECK-NEXT: %polly.access.A = getelementptr double, double* %A, i64 1
|
|
; CHECK-NEXT: store double %p_val, double* %polly.access.A
|
|
; CHECK-NEXT: br label %polly.stmt.subregion_exit.exit.cont
|
|
|
|
; CHECK-LABEL: polly.stmt.subregion_exit.exit.cont:
|