Files
clang-p2996/polly/test/Isl/CodeGen/single_loop_ll_max_iterations.ll
Tobias Grosser f4ee371e60 tests: Drop -polly-detect-unprofitable and -polly-no-early-exit
These flags are now always passed to all tests and need to be disabled if
not needed. Disabling these flags, rather than passing them to almost all
tests, significantly simplfies our RUN: lines.

llvm-svn: 249422
2015-10-06 15:36:44 +00:00

72 lines
2.5 KiB
LLVM

; RUN: opt %loadPolly -polly-ast -analyze -S < %s | FileCheck %s
;#include "limits.h"
;#define N 20
;
;int main () {
; long long i;
; long long A[N];
;
; A[0] = 0;
;
; __sync_synchronize();
;
; for (i = 0; i < LLONG_MAX; i++)
; A[0] = i;
;
; __sync_synchronize();
;
; if (A[0] == LLONG_MAX - 1)
; return 0;
; else
; return 1;
;}
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"
define i32 @main() nounwind {
entry:
%A = alloca [20 x i64], align 8 ; <[20 x i64]*> [#uses=3]
%arraydecay = getelementptr inbounds [20 x i64], [20 x i64]* %A, i32 0, i32 0 ; <i64*> [#uses=1]
%arrayidx = getelementptr inbounds i64, i64* %arraydecay, i64 0 ; <i64*> [#uses=1]
store i64 0, i64* %arrayidx
fence seq_cst
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%0 = phi i64 [ 0, %entry ], [ %inc, %for.inc ] ; <i64> [#uses=3]
%exitcond = icmp ne i64 %0, 9223372036854775807 ; <i1> [#uses=1]
br i1 %exitcond, label %for.body, label %for.end
for.body: ; preds = %for.cond
%arraydecay2 = getelementptr inbounds [20 x i64], [20 x i64]* %A, i32 0, i32 0 ; <i64*> [#uses=1]
%arrayidx3 = getelementptr inbounds i64, i64* %arraydecay2, i64 0 ; <i64*> [#uses=1]
store i64 %0, i64* %arrayidx3
br label %for.inc
for.inc: ; preds = %for.body
%inc = add nsw i64 %0, 1 ; <i64> [#uses=1]
br label %for.cond
for.end: ; preds = %for.cond
fence seq_cst
%arraydecay5 = getelementptr inbounds [20 x i64], [20 x i64]* %A, i32 0, i32 0 ; <i64*> [#uses=1]
%arrayidx6 = getelementptr inbounds i64, i64* %arraydecay5, i64 0 ; <i64*> [#uses=1]
%tmp7 = load i64, i64* %arrayidx6 ; <i64> [#uses=1]
%cmp8 = icmp eq i64 %tmp7, 9223372036854775806 ; <i1> [#uses=1]
br i1 %cmp8, label %if.then, label %if.else
if.then: ; preds = %for.end
br label %return
if.else: ; preds = %for.end
br label %return
return: ; preds = %if.else, %if.then
%retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.else ] ; <i32> [#uses=1]
ret i32 %retval.0
}
; CHECK: for (int c0 = 0; c0 <= 9223372036854775806; c0 += 1)
; CHECK: Stmt_for_body(c0);