forked from OSchip/llvm-project
Thumb2 does not allow the use of "pc" register as part of the load / store address.
llvm-svn: 76909
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64509b2765
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@ -648,21 +648,6 @@ def t2STRB_POST : T2Iidxldst<(outs GPR:$base_wb),
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(post_truncsti8 GPR:$src, GPR:$base, t2am_imm8_offset:$offset))]>;
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// Address computation and loads and stores in PIC mode.
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let isNotDuplicable = 1, AddedComplexity = 10 in {
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let canFoldAsLoad = 1 in
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def t2PICLDR : T2I_picld<"ldr", UnOpFrag<(load node:$Src)>>;
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def t2PICLDRH : T2I_picld<"ldrh", UnOpFrag<(zextloadi16 node:$Src)>>;
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def t2PICLDRB : T2I_picld<"ldrb", UnOpFrag<(zextloadi8 node:$Src)>>;
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def t2PICLDRSH : T2I_picld<"ldrsh", UnOpFrag<(sextloadi16 node:$Src)>>;
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def t2PICLDRSB : T2I_picld<"ldrsb", UnOpFrag<(sextloadi8 node:$Src)>>;
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def t2PICSTR : T2I_picst<"str", BinOpFrag<(store node:$LHS, node:$RHS)>>;
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def t2PICSTRH : T2I_picst<"strh", BinOpFrag<(truncstorei16 node:$LHS, node:$RHS)>>;
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def t2PICSTRB : T2I_picst<"strb", BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
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} // isNotDuplicable = 1, AddedComplexity = 10
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// FIXME: ldrd / strd pre / post variants
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//===----------------------------------------------------------------------===//
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@ -1,19 +1,27 @@
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; RUN: llvm-as < %s | \
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; RUN: llc -mtriple=thumbv7-apple-darwin -relocation-model=static | \
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; RUN: not grep {L_G\$non_lazy_ptr}
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; RUN: llc -mtriple=thumbv7-apple-darwin -relocation-model=static | FileCheck %s -check-prefix=STATIC
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; RUN: llvm-as < %s | \
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; RUN: llc -mtriple=thumbv7-apple-darwin -relocation-model=dynamic-no-pic | \
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; RUN: grep {L_G\$non_lazy_ptr} | count 2
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; RUN: llc -mtriple=thumbv7-apple-darwin -relocation-model=dynamic-no-pic | FileCheck %s -check-prefix=DYNAMIC
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; RUN: llvm-as < %s | \
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; RUN: llc -mtriple=thumbv7-apple-darwin -relocation-model=pic | \
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; RUN: grep {ldr.*pc} | count 1
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; RUN: llc -mtriple=thumbv7-apple-darwin -relocation-model=pic | FileCheck %s -check-prefix=PIC
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; RUN: llvm-as < %s | \
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; RUN: llc -mtriple=thumbv7-linux-gnueabi -relocation-model=pic | \
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; RUN: grep {GOT} | count 1
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; RUN: llc -mtriple=thumbv7-linux-gnueabi -relocation-model=pic | FileCheck %s -check-prefix=LINUX
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@G = external global i32
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define i32 @test1() {
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; STATIC: _test1:
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; STATIC: .long _G
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; DYNAMIC: _test1:
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; DYNAMIC: .long L_G$non_lazy_ptr
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; PIC: _test1
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; PIC: add r0, pc
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; PIC: .long L_G$non_lazy_ptr-(LPC0+4)
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; LINUX: test1
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; LINUX: .long G(GOT)
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%tmp = load i32* @G
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ret i32 %tmp
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}
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@ -0,0 +1,21 @@
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; RUN: llvm-as < %s | llc -mtriple=thumbv7-apple-darwin9 -relocation-model=pic | FileCheck %s
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%struct.anon = type { void ()* }
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%struct.one_atexit_routine = type { %struct.anon, i32, i8* }
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@__dso_handle = external global { } ; <{ }*> [#uses=1]
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@llvm.used = appending global [1 x i8*] [i8* bitcast (i32 (void ()*)* @atexit to i8*)], section "llvm.metadata" ; <[1 x i8*]*> [#uses=0]
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define hidden arm_apcscc i32 @atexit(void ()* %func) nounwind {
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entry:
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; CHECK: atexit:
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; CHECK: add r1, pc
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%r = alloca %struct.one_atexit_routine, align 4 ; <%struct.one_atexit_routine*> [#uses=3]
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%0 = getelementptr %struct.one_atexit_routine* %r, i32 0, i32 0, i32 0 ; <void ()**> [#uses=1]
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store void ()* %func, void ()** %0, align 4
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%1 = getelementptr %struct.one_atexit_routine* %r, i32 0, i32 1 ; <i32*> [#uses=1]
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store i32 0, i32* %1, align 4
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%2 = call arm_apcscc i32 @atexit_common(%struct.one_atexit_routine* %r, i8* bitcast ({ }* @__dso_handle to i8*)) nounwind ; <i32> [#uses=1]
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ret i32 %2
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}
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declare arm_apcscc i32 @atexit_common(%struct.one_atexit_routine*, i8*) nounwind
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