Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
--- a/external/llvm/test/CodeGen/X86/tail-merge-identical.ll
+++ b/external/llvm/test/CodeGen/X86/tail-merge-identical.ll
@ -1,41 +0,0 @@
-; RUN: llc -o - -verify-machineinstrs %s | FileCheck %s
-target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-unknown-linux-gnu"
-
-@data = external global [3 x i32], align 4
-@store = external global i32, align 4
-
-; %else1 and %then2 end up lowering to identical blocks. These blocks should be
-; merged during tail-merging.
-; CHECK-LABEL: merge_identical_blocks
-; CHECK: movl $data+4
-; CHECK-NOT: movl $data+4
-; CHECK: retq
-define void @merge_identical_blocks(i1 %a, i1 %b) {
-entry:
-  br label %if1
-
-if1:                                              ; predfs = %entry
-  br i1 %a, label %else1, label %if2
-
-else1:                                            ; preds = %if1
-  %ptr.else1 = getelementptr inbounds [3 x i32], [3 x i32]* @data, i64 0, i32 1
-  br label %phi_join
-
-if2:                                              ; preds = %if1
-  br i1 %b, label %then2, label %else2
-
-then2:                                            ; preds = %if2
-  %ptr.then2 = getelementptr inbounds [3 x i32], [3 x i32]* @data, i64 0, i32 1
-  br label %phi_join
-
-else2:                                            ; preds = %if2
-  %ptr.else2 = getelementptr inbounds [3 x i32], [3 x i32]* @data, i64 0, i32 2
-  br label %phi_join
-
-phi_join:                                         ; preds = %else1, %then2, %else2
-  %val.ptr = phi i32* [ %ptr.else1, %else1 ], [ %ptr.then2, %then2 ], [ %ptr.else2, %else2 ]
-  %val = load i32, i32* %val.ptr, align 4
-  store i32 %val, i32* @store, align 4
-  ret void
-}