llvm-project/polly/test/CodeGen/OpenMP/invariant_base_pointers_pre...

36 lines
1.3 KiB
LLVM

; RUN: opt %loadPolly -polly-codegen -polly-invariant-load-hoisting=true -polly-parallel \
; RUN: -polly-parallel-force -S < %s | FileCheck %s
;
; Test to verify that we hand down the preloaded A[0] to the OpenMP subfunction.
;
; void f(float *A) {
; for (int i = 1; i < 1000; i++)
; A[i] += A[0] + A[0];
; }
;
; CHECK: %polly.subfn.storeaddr.polly.access.A.load = getelementptr inbounds
; CHECK: store float %polly.access.A.load, float* %polly.subfn.storeaddr.polly.access.A.load
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @f(float* nocapture %A) {
entry:
br label %for.body
for.cond.cleanup: ; preds = %for.body
ret void
for.body: ; preds = %for.body, %entry
%indvars.iv = phi i64 [ 1, %entry ], [ %indvars.iv.next, %for.body ]
%tmp = load float, float* %A, align 4
%tmp2 = load float, float* %A, align 4
%tmpadd = fadd float %tmp, %tmp2
%arrayidx1 = getelementptr inbounds float, float* %A, i64 %indvars.iv
%tmp1 = load float, float* %arrayidx1, align 4
%add = fadd float %tmp2, %tmp1
store float %add, float* %arrayidx1, align 4
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%exitcond = icmp eq i64 %indvars.iv.next, 1000
br i1 %exitcond, label %for.cond.cleanup, label %for.body
}