Vendor import of llvm release_30 branch r142614:vendor/llvm/llvm-r142614

http://llvm.org/svn/llvm-project/llvm/branches/release_30@142614

3 files changed, 14 insertions, 17 deletions

diff --git a/test/CodeGen/Thumb/2011-05-11-DAGLegalizer.ll b/test/CodeGen/Thumb/2011-05-11-DAGLegalizer.ll
index ed55bb5dcf89..2890c22ce6ca 100644
--- a/test/CodeGen/Thumb/2011-05-11-DAGLegalizer.ll
+++ b/test/CodeGen/Thumb/2011-05-11-DAGLegalizer.ll
@@ -1,7 +1,11 @@
-; RUN: llc -mtriple=thumbv6-apple-darwin < %s
+; DISABLED: llc -mtriple=thumbv6-apple-darwin < %s
+; RUN: false
 ; rdar://problem/9416774
 ; ModuleID = 'reduced.ll'
 
+; byval is currently unsupported.
+; XFAIL: *
+
 target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:32:64-v128:32:128-a0:0:32-n32"
 target triple = "thumbv7-apple-ios"
 
diff --git a/test/CodeGen/Thumb/barrier.ll b/test/CodeGen/Thumb/barrier.ll
index d39b50f0a9da..50d138fe44dd 100644
--- a/test/CodeGen/Thumb/barrier.ll
+++ b/test/CodeGen/Thumb/barrier.ll
@@ -2,24 +2,12 @@
 ; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mattr=-db | FileCheck %s -check-prefix=V6
 ; RUN: llc < %s -march=thumb -mcpu=cortex-m0   | FileCheck %s -check-prefix=V6M
 
-declare void @llvm.memory.barrier(i1 , i1 , i1 , i1 , i1)
-
 define void @t1() {
 ; V6: t1:
 ; V6: blx {{_*}}sync_synchronize
 
 ; V6M: t1:
-; V6M: dmb st
-  call void @llvm.memory.barrier(i1 false, i1 false, i1 false, i1 true, i1 true)
-  ret void
-}
-
-define void @t2() {
-; V6: t2:
-; V6: blx {{_*}}sync_synchronize
-
-; V6M: t2:
 ; V6M: dmb ish
-  call void @llvm.memory.barrier(i1 true, i1 false, i1 false, i1 true, i1 false)
+  fence seq_cst
   ret void
 }
diff --git a/test/CodeGen/Thumb/iabs.ll b/test/CodeGen/Thumb/iabs.ll
index d7cdcd8149af..d03b5b2e3bef 100644
--- a/test/CodeGen/Thumb/iabs.ll
+++ b/test/CodeGen/Thumb/iabs.ll
@@ -3,9 +3,9 @@
 
 ;; Integer absolute value, should produce something as good as:
 ;; Thumb:
-;;   asr r2, r0, #31
-;;   add r0, r0, r2
-;;   eor r0, r2
+;;   movs r0, r0
+;;   bpl
+;;   rsb r0, r0, #0 (with opitmization, bpl + rsb is if-converted into rsbmi)
 ;;   bx lr
 
 define i32 @test(i32 %a) {
@@ -13,5 +13,10 @@ define i32 @test(i32 %a) {
         %b = icmp sgt i32 %a, -1
         %abs = select i1 %b, i32 %a, i32 %tmp1neg
         ret i32 %abs
+; CHECK:  movs r0, r0
+; CHECK:  bpl
+; CHECK:  rsb r0, r0, #0
+; CHECK:  bx lr
 }
 
+