1 files changed, 96 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/nacl-align.ll b/test/CodeGen/Mips/nacl-align.ll
new file mode 100644
index 0000000..e61b834
--- /dev/null
+++ b/test/CodeGen/Mips/nacl-align.ll
@@ -0,0 +1,96 @@
+; RUN: llc -filetype=asm -mtriple=mipsel-none-nacl -relocation-model=static \
+; RUN:     -O3 < %s | FileCheck %s
+
+
+; This test tests that NaCl functions are bundle-aligned.
+
+define void @test0() {
+  ret void
+
+; CHECK:          .align  4
+; CHECK-NOT:      .align
+; CHECK-LABEL:    test0:
+
+}
+
+
+; This test tests that blocks that are jumped to through jump table are
+; bundle-aligned.
+
+define i32 @test1(i32 %i) {
+entry:
+  switch i32 %i, label %default [
+    i32 0, label %bb1
+    i32 1, label %bb2
+    i32 2, label %bb3
+    i32 3, label %bb4
+  ]
+
+bb1:
+  ret i32 111
+bb2:
+  ret i32 222
+bb3:
+  ret i32 333
+bb4:
+  ret i32 444
+default:
+  ret i32 555
+
+
+; CHECK-LABEL:       test1:
+
+; CHECK:             .align  4
+; CHECK-NEXT:    ${{BB[0-9]+_[0-9]+}}:
+; CHECK-NEXT:        jr      $ra
+; CHECK-NEXT:        addiu   $2, $zero, 111
+; CHECK-NEXT:        .align  4
+; CHECK-NEXT:    ${{BB[0-9]+_[0-9]+}}:
+; CHECK-NEXT:        jr      $ra
+; CHECK-NEXT:        addiu   $2, $zero, 222
+; CHECK-NEXT:        .align  4
+; CHECK-NEXT:    ${{BB[0-9]+_[0-9]+}}:
+; CHECK-NEXT:        jr      $ra
+; CHECK-NEXT:        addiu   $2, $zero, 333
+; CHECK-NEXT:        .align  4
+; CHECK-NEXT:    ${{BB[0-9]+_[0-9]+}}:
+; CHECK-NEXT:        jr      $ra
+; CHECK-NEXT:        addiu   $2, $zero, 444
+
+}
+
+
+; This test tests that a block whose address is taken is bundle-aligned in NaCl.
+
+@bb_array = constant [2 x i8*] [i8* blockaddress(@test2, %bb1),
+                                i8* blockaddress(@test2, %bb2)], align 4
+
+define i32 @test2(i32 %i) {
+entry:
+  %elementptr = getelementptr inbounds [2 x i8*]* @bb_array, i32 0, i32 %i
+  %0 = load i8** %elementptr, align 4
+  indirectbr i8* %0, [label %bb1, label %bb2]
+
+bb1:
+  ret i32 111
+bb2:
+  ret i32 222
+
+
+; CHECK-LABEL:       test2:
+
+; Note that there are two consecutive labels - one temporary and one for
+; basic block.
+
+; CHECK:             .align  4
+; CHECK-NEXT:    ${{[a-zA-Z0-9]+}}:
+; CHECK-NEXT:    ${{BB[0-9]+_[0-9]+}}:
+; CHECK-NEXT:        jr      $ra
+; CHECK-NEXT:        addiu   $2, $zero, 111
+; CHECK-NEXT:        .align  4
+; CHECK-NEXT:    ${{[a-zA-Z0-9]+}}:
+; CHECK-NEXT:    ${{BB[0-9]+_[0-9]+}}:
+; CHECK-NEXT:        jr      $ra
+; CHECK-NEXT:        addiu   $2, $zero, 222
+
+}