[MIPS][microMIPS] Enable dynamic stack realignment
Dynamic stack realignment was disabled on micromips by checking if
target has standard encoding. We simply change the condition to skip
Mips16 only.
Patch by Mirko Brkusanin.
Differential Revision: http://reviews.llvm.org/D59499
llvm-svn: 356478
diff --git a/llvm/test/CodeGen/Mips/dynamic-stack-realignment.ll b/llvm/test/CodeGen/Mips/dynamic-stack-realignment.ll
index 2ee1ca2..5054b9c 100644
--- a/llvm/test/CodeGen/Mips/dynamic-stack-realignment.ll
+++ b/llvm/test/CodeGen/Mips/dynamic-stack-realignment.ll
@@ -1,9 +1,13 @@
; RUN: llc < %s -march=mips -mcpu=mips2 -relocation-model=pic | FileCheck %s \
-; RUN: --check-prefixes=ALL,GP32
+; RUN: --check-prefixes=ALL,GP32,GP32-M
; RUN: llc < %s -march=mips -mcpu=mips32 -relocation-model=pic | FileCheck %s \
-; RUN: --check-prefixes=ALL,GP32
+; RUN: --check-prefixes=ALL,GP32,GP32-M
; RUN: llc < %s -march=mips -mcpu=mips32r6 -relocation-model=pic | FileCheck %s \
-; RUN: --check-prefixes=ALL,GP32
+; RUN: --check-prefixes=ALL,GP32,GP32-M
+; RUN: llc < %s -march=mips -mcpu=mips32r2 -mattr=+micromips -relocation-model=pic | FileCheck %s \
+; RUN: --check-prefixes=ALL,GP32,GP32-MM,GP32-MMR2
+; RUN: llc < %s -march=mips -mcpu=mips32r6 -mattr=+micromips -relocation-model=pic | FileCheck %s \
+; RUN: --check-prefixes=ALL,GP32,GP32-MM,GP32-MMR6
; RUN: llc < %s -march=mips64 -mcpu=mips3 -relocation-model=pic | FileCheck %s \
; RUN: --check-prefixes=ALL,GP64,N64
; RUN: llc < %s -march=mips64 -mcpu=mips64 -relocation-model=pic | FileCheck %s \
@@ -30,7 +34,9 @@
; FIXME: We are currently over-allocating stack space. This particular case
; needs a frame of up to between 16 and 512-bytes but currently
; allocates between 1024 and 1536 bytes
- ; GP32: addiu $sp, $sp, -1024
+ ; GP32-M: addiu $sp, $sp, -1024
+ ; GP32-MMR2: addiusp -1024
+ ; GP32-MMR6: addiu $sp, $sp, -1024
; GP32: sw $ra, 1020($sp)
; GP32: sw $fp, 1016($sp)
;
@@ -40,13 +46,16 @@
; body
; GP32: addiu $[[T1:[0-9]+]], $sp, 512
- ; GP32: sw $[[T1]], 16($sp)
+ ; GP32-M: sw $[[T1]], 16($sp)
+ ; GP32-MM: sw16 $[[T1]], 16(${{[0-9]+}})
; epilogue
; GP32: move $sp, $fp
; GP32: lw $fp, 1016($sp)
; GP32: lw $ra, 1020($sp)
- ; GP32: addiu $sp, $sp, 1024
+ ; GP32-M: addiu $sp, $sp, 1024
+ ; GP32-MMR2: addiusp 1024
+ ; GP32-MMR6: addiu $sp, $sp, 1024
%a = alloca i32, align 512
call void @helper_01(i32 0, i32 0, i32 0, i32 0, i32* %a)
@@ -106,10 +115,12 @@
; body
; FIXME: We are currently over-allocating stack space.
- ; GP32-DAG: addiu $[[T0:[0-9]+]], $sp, 512
- ; GP32-DAG: sw $[[T0]], 16($sp)
- ; GP32-DAG: lw $[[T1:[0-9]+]], 1040($fp)
- ; GP32-DAG: sw $[[T1]], 20($sp)
+ ; GP32-DAG: addiu $[[T0:[0-9]+]], $sp, 512
+ ; GP32-M-DAG: sw $[[T0]], 16($sp)
+ ; GP32-MM-DAG: sw16 $[[T0]], 16(${{[0-9]+}})
+ ; GP32-DAG: lw $[[T1:[0-9]+]], 1040($fp)
+ ; GP32-M-DAG: sw $[[T1]], 20($sp)
+ ; GP32-MM-DAG: sw16 $[[T1]], 20(${{[0-9]+}})
%a = alloca i32, align 512
call void @helper_03(i32 0, i32 0, i32 0, i32 0, i32* %a, i32* %b)
@@ -149,7 +160,9 @@
; prologue
; FIXME: We are currently over-allocating stack space.
- ; GP32: addiu $sp, $sp, -1024
+ ; GP32-M: addiu $sp, $sp, -1024
+ ; GP32-MMR2: addiusp -1024
+ ; GP32-MMR6: addiu $sp, $sp, -1024
; GP32: sw $fp, 1020($sp)
; GP32: sw $23, 1016($sp)
;
@@ -166,7 +179,9 @@
; GP32: move $sp, $fp
; GP32: lw $23, 1016($sp)
; GP32: lw $fp, 1020($sp)
- ; GP32: addiu $sp, $sp, 1024
+ ; GP32-M: addiu $sp, $sp, 1024
+ ; GP32-MMR2: addiusp 1024
+ ; GP32-MMR6: addiu $sp, $sp, 1024
%a0 = alloca i32, i32 %sz, align 512
%a1 = alloca i32, align 4
@@ -229,7 +244,8 @@
; GP32-DAG: addiu $[[T1:[0-9]+]], $zero, 222
; GP32-DAG: sw $[[T1]], 508($23)
;
- ; GP32-DAG: sw $[[T2:[0-9]+]], 16($sp)
+ ; GP32-M-DAG: sw $[[T2:[0-9]+]], 16($sp)
+ ; GP32-MM-DAG: sw16 $[[T2:[0-9]+]], 16($[[T3:[0-9]+]])
%a0 = alloca i32, i32 %sz, align 512
%a1 = alloca i32, align 4