[mips] Use "or $r0, $r1, $zero" instead of "addu $r0, $zero, $r1" to copy
physical register $r1 to $r0.
GNU disassembler recognizes an "or" instruction as a "move", and this change
makes the disassembled code easier to read.
Original patch by Reed Kotler.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170655 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/Mips/alloca.ll b/test/CodeGen/Mips/alloca.ll
index 29f43c8..220f33b 100644
--- a/test/CodeGen/Mips/alloca.ll
+++ b/test/CodeGen/Mips/alloca.ll
@@ -3,11 +3,11 @@
define i32 @twoalloca(i32 %size) nounwind {
entry:
; CHECK: subu $[[T0:[0-9]+]], $sp, $[[SZ:[0-9]+]]
-; CHECK: addu $sp, $zero, $[[T0]]
+; CHECK: or $sp, $[[T0]], $zero
; CHECK: subu $[[T2:[0-9]+]], $sp, $[[SZ]]
-; CHECK: addu $sp, $zero, $[[T2]]
-; CHECK: addu $4, $zero, $[[T0]]
-; CHECK: addu $4, $zero, $[[T2]]
+; CHECK: or $sp, $[[T2]], $zero
+; CHECK: or $4, $[[T0]], $zero
+; CHECK: or $4, $[[T2]], $zero
%tmp1 = alloca i8, i32 %size, align 4
%add.ptr = getelementptr inbounds i8* %tmp1, i32 5
store i8 97, i8* %add.ptr, align 1
@@ -29,7 +29,7 @@
entry:
; CHECK: alloca2
; CHECK: subu $[[T0:[0-9]+]], $sp
-; CHECK: addu $sp, $zero, $[[T0]]
+; CHECK: or $sp, $[[T0]], $zero
%tmp1 = alloca i8, i32 %size, align 4
%0 = bitcast i8* %tmp1 to i32*