blob: 6dfe1294bb4791d72a0a836491bcfbc01b3e095b [file] [log] [blame]
Tom Stellard0d171c82013-02-21 15:06:59 +00001; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
2
3; PRED_SET* instructions must be tied to any instruction that uses their
4; result. This tests that there are no instructions between the PRED_SET*
5; and the PREDICATE_BREAK in this loop.
6
Tom Stellard79243d92014-10-01 17:15:17 +00007; CHECK: {{^}}loop_ge:
Vincent Lejeunebfaa63a62013-04-01 21:48:05 +00008; CHECK: LOOP_START_DX10
Vincent Lejeune3abdbf12013-04-30 00:14:38 +00009; CHECK: ALU_PUSH_BEFORE
Vincent Lejeunebfaa63a62013-04-01 21:48:05 +000010; CHECK-NEXT: JUMP
11; CHECK-NEXT: LOOP_BREAK
Matt Arsenault3dbeefa2017-03-21 21:39:51 +000012define amdgpu_kernel void @loop_ge(i32 addrspace(1)* nocapture %out, i32 %iterations) nounwind {
Tom Stellard0d171c82013-02-21 15:06:59 +000013entry:
14 %cmp5 = icmp sgt i32 %iterations, 0
15 br i1 %cmp5, label %for.body, label %for.end
16
17for.body: ; preds = %for.body, %entry
18 %i.07.in = phi i32 [ %i.07, %for.body ], [ %iterations, %entry ]
19 %ai.06 = phi i32 [ %add, %for.body ], [ 0, %entry ]
20 %i.07 = add nsw i32 %i.07.in, -1
David Blaikie79e6c742015-02-27 19:29:02 +000021 %arrayidx = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 %ai.06
Tom Stellard0d171c82013-02-21 15:06:59 +000022 store i32 %i.07, i32 addrspace(1)* %arrayidx, align 4
23 %add = add nsw i32 %ai.06, 1
24 %exitcond = icmp eq i32 %add, %iterations
25 br i1 %exitcond, label %for.end, label %for.body
26
27for.end: ; preds = %for.body, %entry
28 ret void
29}