| ; 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); |