From c4dc2490c4ea2c75e451eec5950179f06d2610a2 Mon Sep 17 00:00:00 2001 From: Jush Lu Date: Wed, 29 Aug 2012 02:41:21 +0000 Subject: [arm-fast-isel] Add support for ARM PIC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162823 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/ARM/fast-isel-pic.ll | 43 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 test/CodeGen/ARM/fast-isel-pic.ll (limited to 'test/CodeGen/ARM/fast-isel-pic.ll') diff --git a/test/CodeGen/ARM/fast-isel-pic.ll b/test/CodeGen/ARM/fast-isel-pic.ll new file mode 100644 index 0000000000..392a845d2c --- /dev/null +++ b/test/CodeGen/ARM/fast-isel-pic.ll @@ -0,0 +1,43 @@ +; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=pic -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=THUMB +; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=pic -mtriple=arm-apple-ios | FileCheck %s --check-prefix=ARM +; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ARMv7 + +@g = global i32 0, align 4 + +define i32 @LoadGV() { +entry: +; THUMB: LoadGV +; THUMB: movw [[reg0:r[0-9]+]], +; THUMB: movt [[reg0]], +; THUMB: add [[reg0]], pc +; ARM: LoadGV +; ARM: ldr [[reg1:r[0-9]+]], +; ARM: add [[reg1]], pc, [[reg1]] +; ARMv7: LoadGV +; ARMv7: movw [[reg2:r[0-9]+]], +; ARMv7: movt [[reg2]], +; ARMv7: add [[reg2]], pc, [[reg2]] + %tmp = load i32* @g + ret i32 %tmp +} + +@i = external global i32 + +define i32 @LoadIndirectSymbol() { +entry: +; THUMB: LoadIndirectSymbol +; THUMB: movw r[[reg3:[0-9]+]], +; THUMB: movt r[[reg3]], +; THUMB: add r[[reg3]], pc +; THUMB: ldr r[[reg3]], [r[[reg3]]] +; ARM: LoadIndirectSymbol +; ARM: ldr [[reg4:r[0-9]+]], +; ARM: ldr [[reg4]], [pc, [[reg4]]] +; ARMv7: LoadIndirectSymbol +; ARMv7: movw r[[reg5:[0-9]+]], +; ARMv7: movt r[[reg5]], +; ARMv7: add r[[reg5]], pc, r[[reg5]] +; ARMv7: ldr r[[reg5]], [r[[reg5]]] + %tmp = load i32* @i + ret i32 %tmp +} -- cgit v1.2.3