6e6264c142
This will make it easier to switch the default of Polly's invariant load hoisting strategy and also makes it very clear that these test cases indeed require invariant code hoisting to work. llvm-svn: 278667
62 lines
2.1 KiB
LLVM
62 lines
2.1 KiB
LLVM
; RUN: opt %loadPolly -polly-codegen -polly-invariant-load-hoisting=true -polly-ignore-aliasing -polly-process-unprofitable -S < %s | FileCheck %s
|
|
;
|
|
; CHECK-LABEL: polly.preload.begin:
|
|
; CHECK-NEXT: %0 = sext i32 %N to i64
|
|
; CHECK-NEXT: %1 = icmp sge i64 %0, 514
|
|
; CHECK-NEXT: br label %polly.preload.cond
|
|
;
|
|
; CHECK-LABEL: polly.preload.cond:
|
|
; CHECK-NEXT: br i1 %1, label %polly.preload.exec, label %polly.preload.merge
|
|
;
|
|
; CHECK-LABEL: polly.preload.merge:
|
|
; CHECK-NEXT: %polly.preload.tmp6.merge = phi i32* [ %polly.access.BPLoc.load, %polly.preload.exec ], [ null, %polly.preload.cond ]
|
|
;
|
|
; CHECK-LABEL: polly.stmt.bb5:
|
|
; CHECK-NEXT: %p_tmp7 = getelementptr inbounds i32, i32* %polly.preload.tmp6.merge, i64 %polly.indvar6
|
|
;
|
|
; void f(int **BPLoc, int *A, int N) {
|
|
; for (int i = 0; i < N; i++)
|
|
; if (i > 512)
|
|
; (*BPLoc)[i] = 0;
|
|
; else
|
|
; A[i] = 0;
|
|
; }
|
|
;
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
define void @f(i32** %BPLoc, i32* %A, i32 %N) {
|
|
bb:
|
|
%tmp = sext i32 %N to i64
|
|
br label %bb1
|
|
|
|
bb1: ; preds = %bb11, %bb
|
|
%indvars.iv = phi i64 [ %indvars.iv.next, %bb11 ], [ 0, %bb ]
|
|
%tmp2 = icmp slt i64 %indvars.iv, %tmp
|
|
br i1 %tmp2, label %bb3, label %bb12
|
|
|
|
bb3: ; preds = %bb1
|
|
%tmp4 = icmp sgt i64 %indvars.iv, 512
|
|
br i1 %tmp4, label %bb5, label %bb8
|
|
|
|
bb5: ; preds = %bb3
|
|
%tmp6 = load i32*, i32** %BPLoc, align 8
|
|
%tmp7 = getelementptr inbounds i32, i32* %tmp6, i64 %indvars.iv
|
|
store i32 0, i32* %tmp7, align 4
|
|
br label %bb10
|
|
|
|
bb8: ; preds = %bb3
|
|
%tmp9 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
|
|
store i32 0, i32* %tmp9, align 4
|
|
br label %bb10
|
|
|
|
bb10: ; preds = %bb8, %bb5
|
|
br label %bb11
|
|
|
|
bb11: ; preds = %bb10
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
br label %bb1
|
|
|
|
bb12: ; preds = %bb1
|
|
ret void
|
|
}
|