forked from OSchip/llvm-project
57 lines
2.7 KiB
LLVM
57 lines
2.7 KiB
LLVM
|
; RUN: opt %loadPolly %defaultOpts -polly-analyze-ir -analyze %s | FileCheck %s -check-prefix=INDVAR
|
||
|
|
; RUN: opt %loadPolly %defaultOpts -polly-analyze-ir -analyze %s | FileCheck %s
|
||
|
|
|
||
|
|
;void f(long a[][128], long N, long M) {
|
||
|
|
; long i, j;
|
||
|
|
; for (j = 0; j < rnd(); ++j)
|
||
|
|
; for (i = 0; i < N; ++i)
|
||
|
|
; a[i][j] = 0;
|
||
|
|
;}
|
||
|
|
|
||
|
|
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
|
||
|
|
target triple = "x86_64-unknown-linux-gnu"
|
||
|
|
|
||
|
|
define void @f([128 x i64]* nocapture %a, i64 %N, i64 %M) nounwind {
|
||
|
|
entry:
|
||
|
|
%0 = tail call i64 (...)* @rnd() nounwind ; <i64> [#uses=1]
|
||
|
|
%1 = icmp sgt i64 %0, 0 ; <i1> [#uses=1]
|
||
|
|
br i1 %1, label %bb.nph8, label %return
|
||
|
|
|
||
|
|
bb.nph8: ; preds = %entry
|
||
|
|
%2 = icmp sgt i64 %N, 0 ; <i1> [#uses=1]
|
||
|
|
br i1 %2, label %bb2.preheader.us, label %bb2.preheader
|
||
|
|
|
||
|
|
bb2.preheader.us: ; preds = %bb2.bb3_crit_edge.us, %bb.nph8
|
||
|
|
%3 = phi i64 [ 0, %bb.nph8 ], [ %tmp, %bb2.bb3_crit_edge.us ] ; <i64> [#uses=2]
|
||
|
|
%tmp = add i64 %3, 1 ; <i64> [#uses=2]
|
||
|
|
br label %bb1.us
|
||
|
|
|
||
|
|
bb1.us: ; preds = %bb1.us, %bb2.preheader.us
|
||
|
|
%i.06.us = phi i64 [ 0, %bb2.preheader.us ], [ %4, %bb1.us ] ; <i64> [#uses=2]
|
||
|
|
%scevgep = getelementptr [128 x i64]* %a, i64 %i.06.us, i64 %3 ; <i64*> [#uses=1]
|
||
|
|
store i64 0, i64* %scevgep, align 8
|
||
|
|
%4 = add nsw i64 %i.06.us, 1 ; <i64> [#uses=2]
|
||
|
|
%exitcond = icmp eq i64 %4, %N ; <i1> [#uses=1]
|
||
|
|
br i1 %exitcond, label %bb2.bb3_crit_edge.us, label %bb1.us
|
||
|
|
|
||
|
|
bb2.bb3_crit_edge.us: ; preds = %bb1.us
|
||
|
|
%5 = tail call i64 (...)* @rnd() nounwind ; <i64> [#uses=1]
|
||
|
|
%6 = icmp sgt i64 %5, %tmp ; <i1> [#uses=1]
|
||
|
|
br i1 %6, label %bb2.preheader.us, label %return
|
||
|
|
|
||
|
|
bb2.preheader: ; preds = %bb2.preheader, %bb.nph8
|
||
|
|
%j.07 = phi i64 [ %tmp9, %bb2.preheader ], [ 0, %bb.nph8 ] ; <i64> [#uses=1]
|
||
|
|
%tmp9 = add i64 %j.07, 1 ; <i64> [#uses=2]
|
||
|
|
%7 = tail call i64 (...)* @rnd() nounwind ; <i64> [#uses=1]
|
||
|
|
%8 = icmp sgt i64 %7, %tmp9 ; <i1> [#uses=1]
|
||
|
|
br i1 %8, label %bb2.preheader, label %return
|
||
|
|
|
||
|
|
return: ; preds = %bb2.preheader, %bb2.bb3_crit_edge.us, %entry
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
declare i64 @rnd(...)
|
||
|
|
|
||
|
|
; INDVAR: Scop: bb1.us => bb2.bb3_crit_edge.us Parameters: (%N, {0,+,1}<%bb2.preheader.us>, ), Max Loop Depth: 1
|
||
|
|
; CHECK: Scop: bb1.us => bb2.bb3_crit_edge.us Parameters: (%N, {0,+,1}<%bb2.preheader.us>, ), Max Loop Depth: 1
|