Files
clang-p2996/polly/test/Isl/CodeGen/OpenMP/invariant_base_pointers_preloaded.ll
Tobias Grosser 6e6264c142 [tests] Force invariant load hoisting for test cases that need it
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
2016-08-15 13:27:49 +00:00

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
}