llvm-project/polly/test/Isl/CodeGen/20130211-getNumberOfIterati...

28 lines
987 B
LLVM

; RUN: opt %loadPolly -polly-codegen -polly-vectorizer=polly < %s
; This test case checks that the polly vectorizer does not crash when
; calculating the number of iterations.
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
@b = external global [2048 x i64], align 16
define void @foo(i64 %n) {
entry:
br label %for.cond
for.cond: ; preds = %for.body, %entry
%indvar = phi i64 [ 0, %entry ], [ %inc, %for.body ]
%cmp = icmp slt i64 %indvar, %n
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
%arrayidx = getelementptr inbounds [2048 x i64], [2048 x i64]* @b, i64 0, i64 %indvar
store i64 1, i64* %arrayidx
%inc = add nsw i64 %indvar, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}