CodeGen peephole: fold redundant phys reg copies

[oota-llvm.git] / test / CodeGen / X86 / alignment.ll

diff --git a/test/CodeGen/X86/alignment.ll b/test/CodeGen/X86/alignment.ll
index e4ac2a072c9693684021aeef433b4d8c725f43d6..5908c0cde61eb5a166ff9d93e68898ef2dbbbbd7 100644 (file)
--- a/test/CodeGen/X86/alignment.ll
+++ b/test/CodeGen/X86/alignment.ll
@@ -1,16 +1,43 @@
 ; RUN: llc %s -o - -mtriple=x86_64-linux-gnu | FileCheck %s
 
-; This can get rounded up to the preferred alignment (16).
-; PR6921
+; This cannot get rounded up to the preferred alignment (16) if they have an
+; explicit alignment specified.
 @GlobalA = global { [384 x i8] } zeroinitializer, align 8 
 
 ; CHECK:       .bss
 ; CHECK:       .globl  GlobalA
-; CHECK:       .align  16
+; CHECK:       .align  8
 ; CHECK: GlobalA:
 ; CHECK:       .zero   384
 
-; Common variables should also get rounded up to the preferred alignment (16).
+; Common variables should not get rounded up to the preferred alignment (16) if
+; they have an explicit alignment specified.
+; PR6921
 @GlobalB = common global { [384 x i8] } zeroinitializer, align 8
 
-; CHECK:       .comm   GlobalB,384,16 
\ No newline at end of file
+; CHECK:       .comm   GlobalB,384,8
+
+
+@GlobalC = common global { [384 x i8] } zeroinitializer, align 2
+
+; CHECK:       .comm   GlobalC,384,2
+
+
+
+; This cannot get rounded up to the preferred alignment (16) if they have an
+; explicit alignment specified *and* a section specified.
+@GlobalAS = global { [384 x i8] } zeroinitializer, align 8, section "foo"
+
+; CHECK:       .globl  GlobalAS
+; CHECK:       .align  8
+; CHECK: GlobalAS:
+; CHECK:       .zero   384
+
+; Common variables should not get rounded up to the preferred alignment (16) if
+; they have an explicit alignment specified and a section specified.
+; PR6921
+@GlobalBS = common global { [384 x i8] } zeroinitializer, align 8, section "foo"
+; CHECK:       .comm   GlobalBS,384,8
+
+@GlobalCS = common global { [384 x i8] } zeroinitializer, align 2, section "foo"
+; CHECK:       .comm   GlobalCS,384,2