SIMDInParallelFor.ll
2.61 KB
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; RUN: opt %loadPolly -polly-parallel -polly-vectorizer=stripmine -polly-codegen-verify -polly-opt-isl -polly-ast -polly-codegen -analyze < %s | FileCheck %s
;
; Check that there are no nested #pragma omp parallel for inside a
; #pragma omp parallel for loop.
; See llvm.org/PR38073 and llvm.org/PR33153
;
; This test unfortunately is very dependent on the result of the schedule
; optimizer (-polly-opt-isl).
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
@b = external dso_local unnamed_addr global [1984 x [1984 x double]], align 16
@c = external dso_local unnamed_addr global [1984 x [1984 x double]], align 16
define dso_local void @main() local_unnamed_addr {
entry:
%cond = select i1 undef, i32 undef, i32 1984
%tmp = zext i32 %cond to i64
%cond63 = select i1 undef, i32 undef, i32 1984
%tmp1 = zext i32 %cond63 to i64
br label %for.cond51.preheader
for.cond51.preheader:
%indvars.iv213 = phi i64 [ 0, %entry ], [ %indvars.iv.next214, %for.inc98 ]
%cond73 = select i1 undef, i32 undef, i32 1984
%tmp2 = zext i32 %cond73 to i64
br label %for.cond56.preheader
for.cond56.preheader:
%indvars.iv223 = phi i64 [ 0, %for.cond51.preheader ], [ %indvars.iv.next224, %for.inc95 ]
br label %for.cond66.preheader
for.cond66.preheader:
%indvars.iv219 = phi i64 [ %indvars.iv.next220, %for.inc92 ], [ 0, %for.cond56.preheader ]
br label %for.body75
for.body75:
%indvars.iv215 = phi i64 [ %indvars.iv213, %for.cond66.preheader ], [ %indvars.iv.next216, %for.body75 ]
%arrayidx83 = getelementptr inbounds [1984 x [1984 x double]], [1984 x [1984 x double]]* @b, i64 0, i64 %indvars.iv219, i64 %indvars.iv215
%tmp3 = load double, double* %arrayidx83, align 8
%arrayidx87 = getelementptr inbounds [1984 x [1984 x double]], [1984 x [1984 x double]]* @c, i64 0, i64 %indvars.iv223, i64 %indvars.iv215
store double undef, double* %arrayidx87, align 8
%indvars.iv.next216 = add nuw nsw i64 %indvars.iv215, 1
%cmp74 = icmp ult i64 %indvars.iv.next216, %tmp2
br i1 %cmp74, label %for.body75, label %for.inc92
for.inc92:
%indvars.iv.next220 = add nuw nsw i64 %indvars.iv219, 1
%cmp64 = icmp ult i64 %indvars.iv.next220, %tmp1
br i1 %cmp64, label %for.cond66.preheader, label %for.inc95
for.inc95:
%indvars.iv.next224 = add nuw nsw i64 %indvars.iv223, 1
%cmp54 = icmp ult i64 %indvars.iv.next224, %tmp
br i1 %cmp54, label %for.cond56.preheader, label %for.inc98
for.inc98:
%indvars.iv.next214 = add nuw nsw i64 %indvars.iv213, 48
br label %for.cond51.preheader
}
; No parallel loop except the to outermost.
; CHECK: #pragma omp parallel for
; CHECK: #pragma omp parallel for
; CHECK-NOT: #pragma omp parallel for