From 169d2bd06003c39970bc94c99669a34b61bb7e45 Mon Sep 17 00:00:00 2001 From: dim Date: Mon, 8 Apr 2013 18:41:23 +0000 Subject: Vendor import of llvm trunk r178860: http://llvm.org/svn/llvm-project/llvm/trunk@178860 --- .../CodeGen/R600/disconnected-predset-break-bug.ll | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 test/CodeGen/R600/disconnected-predset-break-bug.ll (limited to 'test/CodeGen/R600/disconnected-predset-break-bug.ll') diff --git a/test/CodeGen/R600/disconnected-predset-break-bug.ll b/test/CodeGen/R600/disconnected-predset-break-bug.ll new file mode 100644 index 0000000..09baee7 --- /dev/null +++ b/test/CodeGen/R600/disconnected-predset-break-bug.ll @@ -0,0 +1,29 @@ +; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s + +; PRED_SET* instructions must be tied to any instruction that uses their +; result. This tests that there are no instructions between the PRED_SET* +; and the PREDICATE_BREAK in this loop. + +; CHECK: @loop_ge +; CHECK: LOOP_START_DX10 +; CHECK: PRED_SET +; CHECK-NEXT: JUMP +; CHECK-NEXT: LOOP_BREAK +define void @loop_ge(i32 addrspace(1)* nocapture %out, i32 %iterations) nounwind { +entry: + %cmp5 = icmp sgt i32 %iterations, 0 + br i1 %cmp5, label %for.body, label %for.end + +for.body: ; preds = %for.body, %entry + %i.07.in = phi i32 [ %i.07, %for.body ], [ %iterations, %entry ] + %ai.06 = phi i32 [ %add, %for.body ], [ 0, %entry ] + %i.07 = add nsw i32 %i.07.in, -1 + %arrayidx = getelementptr inbounds i32 addrspace(1)* %out, i32 %ai.06 + store i32 %i.07, i32 addrspace(1)* %arrayidx, align 4 + %add = add nsw i32 %ai.06, 1 + %exitcond = icmp eq i32 %add, %iterations + br i1 %exitcond, label %for.end, label %for.body + +for.end: ; preds = %for.body, %entry + ret void +} -- cgit v1.1