Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
2019-01-23 08:21:40 +00:00
parent a7724cd563
commit 279aa8f685
28482 changed files with 3866972 additions and 44 deletions
--- a/external/llvm/test/CodeGen/X86/MachineSink-PHIUse.ll
+++ b/external/llvm/test/CodeGen/X86/MachineSink-PHIUse.ll
@ -0,0 +1,40 @@
+; REQUIRES: asserts
+; RUN: llc < %s -mtriple=x86_64-appel-darwin -disable-cgp-branch-opts -stats 2>&1 | grep "machine-sink"
+
+define fastcc void @t() nounwind ssp {
+entry:
+  br i1 undef, label %bb, label %bb4
+
+bb:                                               ; preds = %entry
+  br i1 undef, label %return, label %bb3
+
+bb3:                                              ; preds = %bb
+  unreachable
+
+bb4:                                              ; preds = %entry
+  br i1 undef, label %bb.nph, label %return
+
+bb.nph:                                           ; preds = %bb4
+  br label %bb5
+
+bb5:                                              ; preds = %bb9, %bb.nph
+  %indvar = phi i64 [ 0, %bb.nph ], [ %tmp12, %bb9 ] ; <i64> [#uses=1]
+  %tmp12 = add i64 %indvar, 1                     ; <i64> [#uses=2]
+  %tmp13 = trunc i64 %tmp12 to i32                ; <i32> [#uses=0]
+  br i1 undef, label %bb9, label %bb6
+
+bb6:                                              ; preds = %bb5
+  br i1 undef, label %bb9, label %bb7
+
+bb7:                                              ; preds = %bb6
+  br i1 undef, label %bb9, label %bb8
+
+bb8:                                              ; preds = %bb7
+  unreachable
+
+bb9:                                              ; preds = %bb7, %bb6, %bb5
+  br i1 undef, label %bb5, label %return
+
+return:                                           ; preds = %bb9, %bb4, %bb
+  ret void
+}