invariant_load_base_pointer_conditional.ll
2.09 KB
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; 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: %scevgep9 = getelementptr 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
}