forked from OSchip/llvm-project
34 lines
585 B
LLVM
34 lines
585 B
LLVM
|
; RUN: opt %loadPolly -polly-simplify -analyze < %s | FileCheck %s
|
||
|
|
;
|
||
|
|
; Simple test for the existence of the Simplify pass.
|
||
|
|
;
|
||
|
|
; for (int j = 0; j < n; j += 1)
|
||
|
|
; A[0] = 0.0;
|
||
|
|
;
|
||
|
|
define void @func(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 %body, label %exit
|
||
|
|
|
||
|
|
body:
|
||
|
|
store double 0.0, 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: SCoP could not be simplified
|