| ; RUN: opt %loadPolly -basic-aa -polly-ast -polly-ast-detect-parallel -analyze < %s | FileCheck %s |
| |
| ; Verify that we actually detect this loop as the innermost loop even though |
| ; there is a conditional inside. |
| |
| ; CHECK: #pragma simd |
| ; CHECK: for (int c0 = 0; c0 <= 1023; c0 += 1) { |
| ; CHECK: if (c0 >= m + 1025) { |
| ; CHECK: Stmt_if_else(c0); |
| ; CHECK: } else |
| ; CHECK: Stmt_if_then(c0); |
| ; CHECK: Stmt_if_end(c0); |
| ; CHECK: } |
| |
| 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" |
| |
| @A = common global [1024 x i32] zeroinitializer, align 16 |
| @B = common global [1024 x i32] zeroinitializer, align 16 |
| |
| define void @loop_with_condition(i32 %m) nounwind { |
| entry: |
| fence seq_cst |
| %tmp = sub i32 0, %m |
| %tmp1 = zext i32 %tmp to i64 |
| br label %for.cond |
| |
| for.cond: ; preds = %for.inc, %entry |
| %indvar = phi i64 [ %indvar.next, %for.inc ], [ 0, %entry ] |
| %arrayidx = getelementptr [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvar |
| %arrayidx10 = getelementptr [1024 x i32], [1024 x i32]* @B, i64 0, i64 %indvar |
| %tmp2 = add i64 %tmp1, %indvar |
| %sub = trunc i64 %tmp2 to i32 |
| %exitcond = icmp ne i64 %indvar, 1024 |
| br i1 %exitcond, label %for.body, label %for.end |
| |
| for.body: ; preds = %for.cond |
| %cmp3 = icmp sle i32 %sub, 1024 |
| br i1 %cmp3, label %if.then, label %if.else |
| |
| if.then: ; preds = %for.body |
| store i32 1, i32* %arrayidx |
| br label %if.end |
| |
| if.else: ; preds = %for.body |
| store i32 2, i32* %arrayidx |
| br label %if.end |
| |
| if.end: ; preds = %if.else, %if.then |
| store i32 3, i32* %arrayidx10 |
| br label %for.inc |
| |
| for.inc: ; preds = %if.end |
| %indvar.next = add i64 %indvar, 1 |
| br label %for.cond |
| |
| for.end: ; preds = %for.cond |
| fence seq_cst |
| ret void |
| } |
| |
| define i32 @main() nounwind { |
| entry: |
| call void @llvm.memset.p0i8.i64(i8* bitcast ([1024 x i32]* @A to i8*), i8 0, i64 4096, i32 1, i1 false) |
| call void @llvm.memset.p0i8.i64(i8* bitcast ([1024 x i32]* @B to i8*), i8 0, i64 4096, i32 1, i1 false) |
| call void @loop_with_condition(i32 5) |
| br label %for.cond |
| |
| for.cond: ; preds = %for.inc, %entry |
| %indvar1 = phi i64 [ %indvar.next2, %for.inc ], [ 0, %entry ] |
| %arrayidx = getelementptr [1024 x i32], [1024 x i32]* @B, i64 0, i64 %indvar1 |
| %i.0 = trunc i64 %indvar1 to i32 |
| %cmp = icmp slt i32 %i.0, 1024 |
| br i1 %cmp, label %for.body, label %for.end |
| |
| for.body: ; preds = %for.cond |
| %tmp3 = load i32, i32* %arrayidx |
| %cmp4 = icmp ne i32 %tmp3, 3 |
| br i1 %cmp4, label %if.then, label %if.end |
| |
| if.then: ; preds = %for.body |
| br label %return |
| |
| if.end: ; preds = %for.body |
| br label %for.inc |
| |
| for.inc: ; preds = %if.end |
| %indvar.next2 = add i64 %indvar1, 1 |
| br label %for.cond |
| |
| for.end: ; preds = %for.cond |
| br label %for.cond6 |
| |
| for.cond6: ; preds = %for.inc12, %for.end |
| %indvar = phi i64 [ %indvar.next, %for.inc12 ], [ 0, %for.end ] |
| %arrayidx15 = getelementptr [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvar |
| %i.1 = trunc i64 %indvar to i32 |
| %cmp8 = icmp slt i32 %i.1, 1024 |
| br i1 %cmp8, label %for.body9, label %for.end35 |
| |
| for.body9: ; preds = %for.cond6 |
| br i1 true, label %land.lhs.true, label %if.else |
| |
| land.lhs.true: ; preds = %for.body9 |
| %tmp16 = load i32, i32* %arrayidx15 |
| %cmp17 = icmp ne i32 %tmp16, 1 |
| br i1 %cmp17, label %if.then18, label %if.else |
| |
| if.then18: ; preds = %land.lhs.true |
| br label %return |
| |
| if.else: ; preds = %land.lhs.true, %for.body9 |
| br i1 false, label %land.lhs.true23, label %if.end30 |
| |
| land.lhs.true23: ; preds = %if.else |
| %tmp27 = load i32, i32* %arrayidx15 |
| %cmp28 = icmp ne i32 %tmp27, 2 |
| br i1 %cmp28, label %if.then29, label %if.end30 |
| |
| if.then29: ; preds = %land.lhs.true23 |
| br label %return |
| |
| if.end30: ; preds = %land.lhs.true23, %if.else |
| br label %if.end31 |
| |
| if.end31: ; preds = %if.end30 |
| br label %for.inc12 |
| |
| for.inc12: ; preds = %if.end31 |
| %indvar.next = add i64 %indvar, 1 |
| br label %for.cond6 |
| |
| for.end35: ; preds = %for.cond6 |
| br label %return |
| |
| return: ; preds = %for.end35, %if.then29, %if.then18, %if.then |
| %retval.0 = phi i32 [ 1, %if.then ], [ 1, %if.then18 ], [ 1, %if.then29 ], [ 0, %for.end35 ] |
| ret i32 %retval.0 |
| } |
| |
| declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind |
