forked from OSchip/llvm-project
72 lines
2.5 KiB
LLVM
72 lines
2.5 KiB
LLVM
; RUN: opt %loadPolly -analyze -polly-scops < %s | FileCheck %s -check-prefix=SCOP
|
|
; RUN: opt %loadPolly -S -polly-codegen-ppcg < %s | FileCheck %s -check-prefix=HOST-IR
|
|
|
|
; REQUIRES: pollyacc
|
|
|
|
; Check that we detect a scop.
|
|
; SCOP: Function: checkScalarKill
|
|
; SCOP-NEXT: Region: %XLoopInit---%for.end
|
|
; SCOP-NEXT: Max Loop Depth: 1
|
|
|
|
; Check that we have a scalar that is not a phi node in the scop.
|
|
; SCOP: i32 MemRef_x_0; // Element size 4
|
|
|
|
; Check that kernel launch is generated in host IR.
|
|
; the declare would not be generated unless a call to a kernel exists.
|
|
; HOST-IR: declare void @polly_launchKernel(i8*, i32, i32, i32, i32, i32, i8*)
|
|
|
|
; Check that we add variables that are local to a scop into the kills that we
|
|
; pass to PPCG. This should enable PPCG to codegen this example.
|
|
; void checkScalarKill(int A[], int B[], int C[], const int control1, int control2) {
|
|
; int x;
|
|
; #pragma scop
|
|
; for(int i = 0; i < 1000; i++) {
|
|
; XLoopInit: x = 0;
|
|
;
|
|
; if (control1 > 2)
|
|
; C1Add: x += 10;
|
|
; if (control2 > 3)
|
|
; C2Add: x += A[i];
|
|
;
|
|
; BLoopAccumX: B[i] += x;
|
|
; }
|
|
;
|
|
; #pragma endscop
|
|
; }
|
|
; ModuleID = 'test.ll'
|
|
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
define void @checkScalarKill(i32* %A, i32* %B, i32* %C, i32 %control1, i32 %control2) {
|
|
entry:
|
|
br label %entry.split
|
|
|
|
entry.split: ; preds = %entry
|
|
br label %XLoopInit
|
|
|
|
XLoopInit: ; preds = %entry.split, %BLoopAccumX
|
|
%indvars.iv = phi i64 [ 0, %entry.split ], [ %indvars.iv.next, %BLoopAccumX ]
|
|
%cmp1 = icmp sgt i32 %control1, 2
|
|
%x.0 = select i1 %cmp1, i32 10, i32 0
|
|
%cmp2 = icmp sgt i32 %control2, 3
|
|
br i1 %cmp2, label %C2Add, label %BLoopAccumX
|
|
|
|
C2Add: ; preds = %XLoopInit
|
|
%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
|
|
%tmp6 = load i32, i32* %arrayidx, align 4
|
|
%add4 = add nsw i32 %tmp6, %x.0
|
|
br label %BLoopAccumX
|
|
|
|
BLoopAccumX: ; preds = %XLoopInit, %C2Add
|
|
%x.1 = phi i32 [ %add4, %C2Add ], [ %x.0, %XLoopInit ]
|
|
%arrayidx7 = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
|
|
%tmp11 = load i32, i32* %arrayidx7, align 4
|
|
%add8 = add nsw i32 %tmp11, %x.1
|
|
store i32 %add8, i32* %arrayidx7, align 4
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
%exitcond = icmp ne i64 %indvars.iv.next, 1000
|
|
br i1 %exitcond, label %XLoopInit, label %for.end
|
|
|
|
for.end: ; preds = %BLoopAccumX
|
|
ret void
|
|
}
|