From 67fdafe1cd2c25aa1d245b4becf93324c08ec93e Mon Sep 17 00:00:00 2001
From: Akira Hatanaka <ahatanaka@mips.com>
Date: Tue, 2 Apr 2013 23:02:07 +0000
Subject: [mips] Small update to the implementation of eh.return for Mips.

This patch initializes t9 to the handler address, but only if the relocation
model is pic. This handles the case where handler to which eh.return jumps
points to the start of the function.

Patch by Sasa Stankovic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178588 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/Mips/eh-return32.ll | 4 ++++
 test/CodeGen/Mips/eh-return64.ll | 4 ++++
 2 files changed, 8 insertions(+)

(limited to 'test')

diff --git a/test/CodeGen/Mips/eh-return32.ll b/test/CodeGen/Mips/eh-return32.ll
index fe8a40475c..c3003b34b1 100644
--- a/test/CodeGen/Mips/eh-return32.ll
+++ b/test/CodeGen/Mips/eh-return32.ll
@@ -37,7 +37,9 @@ entry:
 ; CHECK:        lw      $7, [[offset3]]($sp)
 
 ; check that stack is adjusted by $v1 and that code returns to address in $v0
+; also check that $25 contains handler value
 ; CHECK:        addiu   $sp, $sp, [[spoffset]]
+; CHECK:        move    $25, $2
 ; CHECK:        move    $ra, $2
 ; CHECK:        jr      $ra
 ; CHECK:        addu    $sp, $sp, $3
@@ -74,7 +76,9 @@ entry:
 ; CHECK:        lw      $7, [[offset3]]($sp)
 
 ; check that stack is adjusted by $v1 and that code returns to address in $v0
+; also check that $25 contains handler value
 ; CHECK:        addiu   $sp, $sp, [[spoffset]]
+; CHECK:        move    $25, $2
 ; CHECK:        move    $ra, $2
 ; CHECK:        jr      $ra
 ; CHECK:        addu    $sp, $sp, $3
diff --git a/test/CodeGen/Mips/eh-return64.ll b/test/CodeGen/Mips/eh-return64.ll
index 0b76b95e24..373a9a1144 100644
--- a/test/CodeGen/Mips/eh-return64.ll
+++ b/test/CodeGen/Mips/eh-return64.ll
@@ -37,7 +37,9 @@ entry:
 ; CHECK:        ld      $7, [[offset3]]($sp)
 
 ; check that stack is adjusted by $v1 and that code returns to address in $v0
+; also check that $25 contains handler value
 ; CHECK:        daddiu  $sp, $sp, [[spoffset]]
+; CHECK:        move    $25, $2
 ; CHECK:        move    $ra, $2
 ; CHECK:        jr      $ra
 ; CHECK:        daddu   $sp, $sp, $3
@@ -75,7 +77,9 @@ entry:
 ; CHECK:        ld      $7, [[offset3]]($sp)
 
 ; check that stack is adjusted by $v1 and that code returns to address in $v0
+; also check that $25 contains handler value
 ; CHECK:        daddiu  $sp, $sp, [[spoffset]]
+; CHECK:        move    $25, $2
 ; CHECK:        move    $ra, $2
 ; CHECK:        jr      $ra
 ; CHECK:        daddu   $sp, $sp, $3
-- 
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