[PATCH] D38590: [ARM/AARCH64] Make test MachineBranchProb.ll more robust and re-enable for ARM/AArch64

[Balaram Makam via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL315002: [ARM/AARCH64] Make test MachineBranchProb.ll more robust and re-enable for… (authored by bmakam).

Changed prior to commit:
  https://reviews.llvm.org/D38590?vs=117851&id=117858#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D38590

Files:
  llvm/trunk/test/CodeGen/Generic/MachineBranchProb.ll


Index: llvm/trunk/test/CodeGen/Generic/MachineBranchProb.ll
===================================================================
--- llvm/trunk/test/CodeGen/Generic/MachineBranchProb.ll
+++ llvm/trunk/test/CodeGen/Generic/MachineBranchProb.ll
@@ -1,15 +1,14 @@
 ; RUN: llc < %s -print-machineinstrs=expand-isel-pseudos -o /dev/null 2>&1 | FileCheck %s
 
-; ARM & AArch64 run an extra SimplifyCFG which disrupts this test.
-; UNSUPPORTED: arm,aarch64
-
 ; Hexagon runs passes that renumber the basic blocks, causing this test
 ; to fail.
 ; XFAIL: hexagon
 
 ; Bug: PR31899
 ; XFAIL: avr
 
+declare void @foo()
+
 ; Make sure we have the correct weight attached to each successor.
 define i32 @test2(i32 %x) nounwind uwtable readnone ssp {
 ; CHECK-LABEL: Machine code for function test2:
@@ -29,6 +28,8 @@
 ; CHECK: Successors according to CFG: BB#1({{[0-9a-fx/= ]+}}36.36%) BB#3({{[0-9a-fx/= ]+}}63.64%)
 
 sw.bb:
+; this call will prevent simplifyCFG from optimizing the block away in ARM/AArch64.
+  tail call void @foo()
   br label %return
 
 sw.bb1:


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