AVX-512: fixed extended load to 512-bit register

[oota-llvm.git] / test / CodeGen / X86 / phielim-split.ll

diff --git a/test/CodeGen/X86/phielim-split.ll b/test/CodeGen/X86/phielim-split.ll
index 148b8033161cd155e32a246933240bd4299c996a..423ef0486ac7486dd0ae881720417685449f504f 100644 (file)
--- a/test/CodeGen/X86/phielim-split.ll
+++ b/test/CodeGen/X86/phielim-split.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -verify-machineinstrs | FileCheck %s
+; RUN: llc < %s -verify-machineinstrs -no-phi-elim-live-out-early-exit | FileCheck %s
 target triple = "x86_64-apple-macosx10.8.0"
 
 ; The critical edge from for.cond to if.end2 should be split to avoid injecting
@@ -28,3 +28,40 @@ if.end2:                                          ; preds = %for.cond, %entry
   %add = add nsw i32 %r.0, %b
   ret i32 %add
 }
+
+; CHECK: split_live_out
+; CHECK: %while.body
+; CHECK: cmp
+; CHECK-NEXT: ja
+define i8* @split_live_out(i32 %value, i8* %target) nounwind uwtable readonly ssp {
+entry:
+  %cmp10 = icmp ugt i32 %value, 127
+  br i1 %cmp10, label %while.body.preheader, label %while.end
+
+while.body.preheader:                             ; preds = %entry
+  br label %while.body
+
+while.body:                                       ; preds = %while.body.preheader, %while.body
+  %target.addr.012 = phi i8* [ %incdec.ptr, %while.body ], [ %target, %while.body.preheader ]
+  %value.addr.011 = phi i32 [ %shr, %while.body ], [ %value, %while.body.preheader ]
+  %or = or i32 %value.addr.011, 128
+  %conv = trunc i32 %or to i8
+  store i8 %conv, i8* %target.addr.012, align 1
+  %shr = lshr i32 %value.addr.011, 7
+  %incdec.ptr = getelementptr inbounds i8, i8* %target.addr.012, i64 1
+  %cmp = icmp ugt i32 %value.addr.011, 16383
+  br i1 %cmp, label %while.body, label %while.end.loopexit
+
+while.end.loopexit:                               ; preds = %while.body
+  %incdec.ptr.lcssa = phi i8* [ %incdec.ptr, %while.body ]
+  %shr.lcssa = phi i32 [ %shr, %while.body ]
+  br label %while.end
+
+while.end:                                        ; preds = %while.end.loopexit, %entry
+  %target.addr.0.lcssa = phi i8* [ %target, %entry ], [ %incdec.ptr.lcssa, %while.end.loopexit ]
+  %value.addr.0.lcssa = phi i32 [ %value, %entry ], [ %shr.lcssa, %while.end.loopexit ]
+  %conv1 = trunc i32 %value.addr.0.lcssa to i8
+  store i8 %conv1, i8* %target.addr.0.lcssa, align 1
+  %incdec.ptr3 = getelementptr inbounds i8, i8* %target.addr.0.lcssa, i64 1
+  ret i8* %incdec.ptr3
+}