95 lines · plain
1; RUN: opt %loadNPMPolly '-passes=polly-custom<ast>' -polly-print-ast -disable-output < %s | FileCheck %s2 3;#define N 204;#include "limits.h"5;#include <stdio.h>6;int A[2 * N];7;8;void single_do_loop_scev_replace() {9; int i;10;11; __sync_synchronize();12;13; i = 0;14;15; do {16; A[2 * i] = i;17; ++i;18; } while (i < N);19;20; __sync_synchronize();21;}22;23;int main () {24; int i;25;26; single_do_loop_scev_replace();27;28; fprintf(stdout, "Output %d\n", A[0]);29;30; if (A[2 * N - 2] == N - 1)31; return 0;32; else33; return 1;34;}35 36target 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"37 38%struct._IO_FILE = type { i32, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, i32, i32, i64, i16, i8, [1 x i8], ptr, i64, ptr, ptr, ptr, ptr, i64, i32, [20 x i8] }39%struct._IO_marker = type { ptr, ptr, i32 }40 41@A = common global [40 x i32] zeroinitializer, align 4 ; <ptr> [#uses=3]42@stdout = external global ptr ; <ptr> [#uses=1]43@.str = private constant [11 x i8] c"Output %d\0A\00" ; <ptr> [#uses=1]44 45define void @single_do_loop_scev_replace() nounwind {46entry:47 fence seq_cst48 br label %do.body49 50do.body: ; preds = %do.cond, %entry51 %indvar = phi i64 [ %indvar.next, %do.cond ], [ 0, %entry ] ; <i64> [#uses=3]52 %tmp = mul i64 %indvar, 2 ; <i64> [#uses=1]53 %arrayidx = getelementptr [40 x i32], ptr @A, i64 0, i64 %tmp ; <ptr> [#uses=1]54 %i.0 = trunc i64 %indvar to i32 ; <i32> [#uses=1]55 br label %do.cond56 57do.cond: ; preds = %do.body58 store i32 %i.0, ptr %arrayidx59 %indvar.next = add i64 %indvar, 1 ; <i64> [#uses=2]60 %exitcond = icmp ne i64 %indvar.next, 20 ; <i1> [#uses=1]61 br i1 %exitcond, label %do.body, label %do.end62 63do.end: ; preds = %do.cond64 fence seq_cst65 ret void66}67 68define i32 @main() nounwind {69entry:70 call void @single_do_loop_scev_replace()71 %tmp = load ptr, ptr @stdout ; <ptr> [#uses=1]72 %tmp1 = load i32, ptr @A ; <i32> [#uses=1]73 %call = call i32 (ptr, ptr, ...) @fprintf(ptr %tmp, ptr @.str, i32 %tmp1) ; <i32> [#uses=0]74 %tmp2 = load i32, ptr getelementptr inbounds ([40 x i32], ptr @A, i32 0, i64 38) ; <i32> [#uses=1]75 %cmp = icmp eq i32 %tmp2, 19 ; <i1> [#uses=1]76 br i1 %cmp, label %if.then, label %if.else77 78if.then: ; preds = %entry79 br label %return80 81if.else: ; preds = %entry82 br label %return83 84return: ; preds = %if.else, %if.then85 %retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.else ] ; <i32> [#uses=1]86 ret i32 %retval.087}88 89declare i32 @fprintf(ptr, ptr, ...)90 91; CHECK: for (int c0 = 0; c0 <= 19; c0 += 1)92; CHECK: Stmt_do_cond(c0);93 94 95