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Also shrink immediate branches; also more assembler workarounds.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79014 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2009-08-14 18:31:44 +00:00
parent 960a7c9ad1
commit 31b99dd760
4 changed files with 136 additions and 17 deletions
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22
test/CodeGen/Thumb2/tls2.ll
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@@ -1,19 +1,29 @@
; RUN: llvm-as < %s | llc -mtriple=thumbv7-linux-gnueabi | \
; RUN: grep {i(gottpoff)}
; RUN: llvm-as < %s | llc -mtriple=thumbv7-linux-gnueabi | \
; RUN: grep {ldr r., \[pc, r.\]}
; RUN: llvm-as < %s | llc -mtriple=thumbv7-linux-gnueabi \
; RUN: -relocation-model=pic | grep {__tls_get_addr}
; RUN: llvm-as < %s | llc -mtriple=thumbv7-linux-gnueabi | FileCheck %s -check-prefix=CHECK-NOT-PIC
; RUN: llvm-as < %s | llc -mtriple=thumbv7-linux-gnueabi -relocation-model=pic | FileCheck %s -check-prefix=CHECK-PIC
@i = external thread_local global i32 ; <i32*> [#uses=2]
define i32 @f() {
entry:
; CHECK-NOT-PIC: f:
; CHECK-NOT-PIC: add r0, pc
; CHECK-NOT-PIC: ldr r1, [r0]
; CHECK-NOT-PIC: i(gottpoff)
; CHECK-PIC: f:
; CHECK-PIC: bl __tls_get_addr(PLT)
%tmp1 = load i32* @i ; <i32> [#uses=1]
ret i32 %tmp1
}
define i32* @g() {
entry:
; CHECK-NOT-PIC: g:
; CHECK-NOT-PIC: add r0, pc
; CHECK-NOT-PIC: ldr r1, [r0]
; CHECK-NOT-PIC: i(gottpoff)
; CHECK-PIC: g:
; CHECK-PIC: bl __tls_get_addr(PLT)
ret i32* @i
}