From 4a9823fec64a636d9db89c1a028980b88405b88e Mon Sep 17 00:00:00 2001 From: Jack Carter Date: Tue, 8 Jan 2013 19:01:28 +0000 Subject: This patch produces the correct addend value for an R_MIPS_GPREL16 relocation. Contributer: Jack Carter git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171882 91177308-0d34-0410-b5e6-96231b3b80d8 (cherry picked from commit 4a50e53e53816076584c957741cb430899271726) Signed-off-by: Abdoulaye Walsimou Gaye --- lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp | 1 + test/MC/Mips/mips_gprel16.ll | 33 +++++++++++++++++++++++++ 2 files changed, 34 insertions(+) create mode 100644 test/MC/Mips/mips_gprel16.ll diff --git a/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp b/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp index c078794899..e16a31866f 100644 --- a/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp +++ b/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp @@ -37,6 +37,7 @@ static unsigned adjustFixupValue(unsigned Kind, uint64_t Value) { case FK_Data_4: case FK_Data_8: case Mips::fixup_Mips_LO16: + case Mips::fixup_Mips_GPREL16: case Mips::fixup_Mips_GPOFF_HI: case Mips::fixup_Mips_GPOFF_LO: case Mips::fixup_Mips_GOT_PAGE: diff --git a/test/MC/Mips/mips_gprel16.ll b/test/MC/Mips/mips_gprel16.ll new file mode 100644 index 0000000000..b5a282de56 --- /dev/null +++ b/test/MC/Mips/mips_gprel16.ll @@ -0,0 +1,33 @@ +; This addresses bug 14456. We were not writing +; out the addend to the gprel16 relocation. The +; addend is stored in the instruction immediate +; field. +;llc gprel16.ll -o gprel16.o -mcpu=mips32r2 -march=mipsel -filetype=obj -relocation-model=static + +; RUN: llc -mcpu=mips32r2 -march=mipsel -filetype=obj -relocation-model=static %s -o - \ +; RUN: | llvm-objdump -disassemble -mattr +mips32r2 - \ +; RUN: | FileCheck %s + +target triple = "mipsel-sde--elf-gcc" + +@var1 = internal global i32 0, align 4 +@var2 = internal global i32 0, align 4 + +define i32 @testvar1() nounwind { +entry: +; CHECK: lw ${{[0-9]+}}, 0($gp) + %0 = load i32* @var1, align 4 + %tobool = icmp ne i32 %0, 0 + %cond = select i1 %tobool, i32 1, i32 0 + ret i32 %cond +} + +define i32 @testvar2() nounwind { +entry: +; CHECK: lw ${{[0-9]+}}, 4($gp) + %0 = load i32* @var2, align 4 + %tobool = icmp ne i32 %0, 0 + %cond = select i1 %tobool, i32 1, i32 0 + ret i32 %cond +} + -- cgit v1.2.3