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; RUN: opt %loadPolly -S -polly-codegen-ppcg \
; RUN: -polly-use-llvm-names < %s
; ModuleID = 'test/GPGPU/zero-size-array.ll'
; REQUIRES: pollyacc
target datalayout = "e-p:64:64:64-S128-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f16:16:16-f32:32:32-f64:64:64-f128:128:128-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-unknown-linux-gnu"
; We used to divide the element size by 8 to arrive at the 'actual' size
; of an array element. This used to cause arrays that have an element size
; of less than 8 to collapse to size 0. This test makes sure that it does
; not happen anymore.
; f(int *niters_ptr, int *arr[0]) {
; const int inters = *niters_ptr;
; for(int i = 0; i < niters; i++) {
; arr[0][i + 1] = 0
; }
; }
; Function Attrs: nounwind uwtable
define void @f(ptr noalias %niters.ptr, ptr noalias %arr) #0 {
entry:
%niters = load i32, ptr %niters.ptr, align 4
br label %loop.body
loop.body: ; preds = %loop.body, %entry
%indvar = phi i32 [ %indvar.next, %loop.body ], [ 1, %entry ]
%indvar.sext = sext i32 %indvar to i64
%arr.slot = getelementptr [0 x i32], ptr %arr, i64 0, i64 %indvar.sext
store i32 0, ptr %arr.slot, align 4
%tmp8 = icmp eq i32 %indvar, %niters
%indvar.next = add i32 %indvar, 1
br i1 %tmp8, label %loop.exit, label %loop.body
loop.exit: ; preds = %loop.body
%tmp10 = icmp sgt i32 undef, 0
br label %auxiliary.loop
auxiliary.loop: ; preds = %"101", %loop.exit
%tmp11 = phi i1 [ %tmp10, %loop.exit ], [ undef, %auxiliary.loop ]
br i1 undef, label %auxiliary.loop, label %exit
exit: ; preds = %auxiliary.loop
ret void
}
attributes #0 = { nounwind uwtable }
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