forked from OSchip/llvm-project
70 lines
2.0 KiB
LLVM
70 lines
2.0 KiB
LLVM
; RUN: opt %loadPolly -polly-codegen -polly-invariant-load-hoisting=true -polly-process-unprofitable -S < %s | FileCheck %s
|
|
;
|
|
; void fence(void);
|
|
;
|
|
; void f(int *A, int *B) {
|
|
; int i = 0;
|
|
; int x = 0;
|
|
;
|
|
; do {
|
|
; x = *B;
|
|
; S: A[i] += x;
|
|
; } while (i++ < 100);
|
|
;
|
|
; fence();
|
|
;
|
|
; do {
|
|
; P: A[i]++;
|
|
; } while (i++ < x / 2);
|
|
; }
|
|
;
|
|
; CHECK: polly.stmt.stmt.P:
|
|
; CHECK: sext i32 %tmp.merge to i64
|
|
;
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
define void @f(i32* %A, i32* %B) {
|
|
entry:
|
|
br label %stmt.S
|
|
|
|
stmt.S: ; preds = %do.cond, %entry
|
|
%indvars.iv2 = phi i64 [ %indvars.iv.next3, %do.cond ], [ 0, %entry ]
|
|
%tmp = load i32, i32* %B, align 4
|
|
%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv2
|
|
%tmp4 = load i32, i32* %arrayidx, align 4
|
|
%add = add nsw i32 %tmp4, %tmp
|
|
store i32 %add, i32* %arrayidx, align 4
|
|
br label %do.cond
|
|
|
|
do.cond: ; preds = %do.body
|
|
%indvars.iv.next3 = add nuw nsw i64 %indvars.iv2, 1
|
|
%exitcond = icmp ne i64 %indvars.iv.next3, 101
|
|
br i1 %exitcond, label %stmt.S, label %do.end
|
|
|
|
do.end: ; preds = %do.cond
|
|
%tmp5 = trunc i64 101 to i32
|
|
call void @fence() #2
|
|
%tmp6 = sext i32 %tmp5 to i64
|
|
br label %stmt.P
|
|
|
|
stmt.P: ; preds = %do.cond.5, %do.end
|
|
%indvars.iv = phi i64 [ %indvars.iv.next, %do.cond.5 ], [ %tmp6, %do.end ]
|
|
%arrayidx3 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
|
|
%tmp7 = load i32, i32* %arrayidx3, align 4
|
|
%inc4 = add nsw i32 %tmp7, 1
|
|
store i32 %inc4, i32* %arrayidx3, align 4
|
|
br label %do.cond.5
|
|
|
|
do.cond.5: ; preds = %do.body.1
|
|
%div = sdiv i32 %tmp, 2
|
|
%tmp8 = sext i32 %div to i64
|
|
%cmp7 = icmp slt i64 %indvars.iv, %tmp8
|
|
%indvars.iv.next = add i64 %indvars.iv, 1
|
|
br i1 %cmp7, label %stmt.P, label %do.end.8
|
|
|
|
do.end.8: ; preds = %do.cond.5
|
|
ret void
|
|
}
|
|
|
|
declare void @fence()
|