forked from OSchip/llvm-project
88 lines
3.4 KiB
LLVM
88 lines
3.4 KiB
LLVM
; RUN: opt %loadPolly -polly-import-jscop \
|
|
; RUN: -polly-import-jscop-postfix=transformed -polly-codegen \
|
|
; RUN: -verify-dom-info -polly-allow-nonaffine-loops \
|
|
; RUN: -S < %s | FileCheck %s
|
|
|
|
; This test verifies that partial writes within non-affine loops are code
|
|
; generated correctly.
|
|
|
|
; CHECK:polly.stmt.bb3:
|
|
; CHECK-NEXT: %polly.subregion.iv = phi i32 [ %polly.subregion.iv.inc, %polly.stmt.bb5.cont ], [ 0, %polly.stmt.bb3.entry ]
|
|
; CHECK-NEXT: %polly.j.0 = phi i64 [ %j.0.phiops.reload, %polly.stmt.bb3.entry ], [ %p_tmp10, %polly.stmt.bb5.cont ]
|
|
; CHECK-NEXT: %8 = zext i64 %polly.indvar to i65
|
|
; CHECK-NEXT: %9 = add nsw i64 %polly.indvar, -1
|
|
; CHECK-NEXT: %10 = zext i64 %9 to i65
|
|
; CHECK-NEXT: %11 = mul i65 %8, %10
|
|
; CHECK-NEXT: %12 = lshr i65 %11, 1
|
|
; CHECK-NEXT: %13 = trunc i65 %12 to i64
|
|
; CHECK-NEXT: %14 = shl i64 %13, 1
|
|
; CHECK-NEXT: %15 = add i64 %polly.indvar, %14
|
|
; CHECK-NEXT: %p_tmp4 = icmp slt i64 %polly.j.0, %15
|
|
; CHECK-NEXT: %polly.subregion.iv.inc = add i32 %polly.subregion.iv, 1
|
|
; CHECK-NEXT: br i1 %p_tmp4, label %polly.stmt.bb5, label %polly.stmt.bb11.exit
|
|
|
|
; CHECK:polly.stmt.bb5:
|
|
; CHECK-NEXT: %p_tmp6 = getelementptr inbounds float, float* %B, i64 42
|
|
; CHECK-NEXT: %tmp7_p_scalar_ = load float, float* %p_tmp6
|
|
; CHECK-NEXT: %p_tmp8 = fadd float %tmp7_p_scalar_, 1.000000e+00
|
|
; CHECK-NEXT: %16 = icmp sle i64 %polly.indvar, 9
|
|
; CHECK-NEXT: %polly.Stmt_bb3__TO__bb11_MayWrite2.cond = icmp ne i1 %16, false
|
|
; CHECK-NEXT: br i1 %polly.Stmt_bb3__TO__bb11_MayWrite2.cond, label %polly.stmt.bb5.Stmt_bb3__TO__bb11_MayWrite2.partial, label %polly.stmt.bb5.cont
|
|
|
|
; CHECK:polly.stmt.bb5.Stmt_bb3__TO__bb11_MayWrite2.partial: ; preds = %polly.stmt.bb5
|
|
; CHECK-NEXT: %polly.access.B3 = getelementptr float, float* %B, i64 42
|
|
; CHECK-NEXT: store float %p_tmp8, float* %polly.access.B3
|
|
; CHECK-NEXT: br label %polly.stmt.bb5.cont
|
|
|
|
; CHECK:polly.stmt.bb5.cont:
|
|
; CHECK-NEXT: %p_tmp10 = add nuw nsw i64 %polly.j.0, 1
|
|
; CHECK-NEXT: br label %polly.stmt.bb3
|
|
|
|
|
|
|
|
; void foo(long A[], float B[], long *x) {
|
|
; for (long i = 0; i < 1024; i++)
|
|
; for (long j = *x; j < i * i; j++)
|
|
; B[42]++;
|
|
; }
|
|
;
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
define void @partial_write_in_region_with_loop(i64* %A, float* %B, i64* %xptr) {
|
|
bb:
|
|
br label %bb1
|
|
|
|
bb1: ; preds = %bb12, %bb
|
|
%i.0 = phi i64 [ 0, %bb ], [ %tmp13, %bb12 ]
|
|
%exitcond = icmp ne i64 %i.0, 1024
|
|
br i1 %exitcond, label %bb2, label %bb14
|
|
|
|
bb2: ; preds = %bb1
|
|
%x = load i64, i64* %xptr
|
|
br label %bb3
|
|
|
|
bb3: ; preds = %bb9, %bb2
|
|
%j.0 = phi i64 [ %x, %bb2 ], [ %tmp10, %bb5 ]
|
|
%tmp = mul nsw i64 %i.0, %i.0
|
|
%tmp4 = icmp slt i64 %j.0, %tmp
|
|
br i1 %tmp4, label %bb5, label %bb11
|
|
|
|
bb5: ; preds = %bb3
|
|
%tmp6 = getelementptr inbounds float, float* %B, i64 42
|
|
%tmp7 = load float, float* %tmp6, align 4
|
|
%tmp8 = fadd float %tmp7, 1.000000e+00
|
|
store float %tmp8, float* %tmp6, align 4
|
|
%tmp10 = add nuw nsw i64 %j.0, 1
|
|
br label %bb3
|
|
|
|
bb11: ; preds = %bb3
|
|
br label %bb12
|
|
|
|
bb12: ; preds = %bb11
|
|
%tmp13 = add nuw nsw i64 %i.0, 1
|
|
br label %bb1
|
|
|
|
bb14: ; preds = %bb1
|
|
ret void
|
|
}
|