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a72e83c26e
For historic reasons, the behavior of .align differs between targets. Fortunately, there are alternatives, .p2align and .balign, which make the interpretation of the parameter explicit, and which behave consistently across targets. This patch teaches MC to use .p2align instead of .align, so that people reading code for multiple architectures don't have to remember which way each platform does its .align directive. Differential Revision: http://reviews.llvm.org/D16549 llvm-svn: 258750
156 lines
4.3 KiB
LLVM
156 lines
4.3 KiB
LLVM
; RUN: llc -march=arm -mtriple=arm-linux-gnueabi < %s \
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; RUN: | FileCheck -check-prefix=CHECK-NONPIC -check-prefix=COMMON %s
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; RUN: llc -march=arm -mtriple=arm-linux-gnueabi -relocation-model=pic < %s \
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; RUN: | FileCheck -check-prefix=CHECK-PIC -check-prefix=COMMON %s
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; RUN: llc -emulated-tls -march=arm -mtriple=arm-linux-gnueabi < %s \
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; RUN: | FileCheck -check-prefix=EMUNONPIC -check-prefix=EMU -check-prefix=COMMON %s
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; RUN: llc -emulated-tls -march=arm -mtriple=arm-linux-gnueabi -relocation-model=pic < %s \
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; RUN: | FileCheck -check-prefix=EMUPIC -check-prefix=EMU -check-prefix=COMMON %s
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@external_gd = external thread_local global i32
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@internal_gd = internal thread_local global i32 42
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@external_ld = external thread_local(localdynamic) global i32
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@internal_ld = internal thread_local(localdynamic) global i32 42
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@external_ie = external thread_local(initialexec) global i32
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@internal_ie = internal thread_local(initialexec) global i32 42
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@external_le = external thread_local(localexec) global i32
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@internal_le = internal thread_local(localexec) global i32 42
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; ----- no model specified -----
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define i32* @f1() {
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entry:
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ret i32* @external_gd
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; COMMON-LABEL: f1:
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; Non-PIC code can use initial-exec, PIC code has to use general dynamic.
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; CHECK-NONPIC: external_gd(GOTTPOFF)
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; CHECK-PIC: external_gd(TLSGD)
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; EMU: __emutls_get_address
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}
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define i32* @f2() {
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entry:
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ret i32* @internal_gd
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; COMMON-LABEL: f2:
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; Non-PIC code can use local exec, PIC code can use local dynamic,
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; but that is not implemented, so falls back to general dynamic.
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; CHECK-NONPIC: internal_gd(TPOFF)
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; CHECK-PIC: internal_gd(TLSGD)
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; EMU: __emutls_get_address
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}
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; ----- localdynamic specified -----
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define i32* @f3() {
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entry:
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ret i32* @external_ld
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; COMMON-LABEL: f3:
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; Non-PIC code can use initial exec, PIC should use local dynamic,
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; but that is not implemented, so falls back to general dynamic.
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; CHECK-NONPIC: external_ld(GOTTPOFF)
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; CHECK-PIC: external_ld(TLSGD)
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; EMU: __emutls_get_address
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}
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define i32* @f4() {
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entry:
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ret i32* @internal_ld
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; COMMON-LABEL: f4:
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; Non-PIC code can use local exec, PIC code can use local dynamic,
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; but that is not implemented, so it falls back to general dynamic.
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; CHECK-NONPIC: internal_ld(TPOFF)
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; CHECK-PIC: internal_ld(TLSGD)
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; EMU: __emutls_get_address
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}
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; ----- initialexec specified -----
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define i32* @f5() {
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entry:
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ret i32* @external_ie
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; COMMON-LABEL: f5:
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; Non-PIC and PIC code will use initial exec as specified.
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; CHECK-NONPIC: external_ie(GOTTPOFF)
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; CHECK-PIC: external_ie(GOTTPOFF)
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; EMU: __emutls_get_address
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}
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define i32* @f6() {
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entry:
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ret i32* @internal_ie
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; COMMON-LABEL: f6:
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; Non-PIC code can use local exec, PIC code use initial exec as specified.
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; CHECK-NONPIC: internal_ie(TPOFF)
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; CHECK-PIC: internal_ie(GOTTPOFF)
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; EMU: __emutls_get_address
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}
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; ----- localexec specified -----
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define i32* @f7() {
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entry:
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ret i32* @external_le
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; COMMON-LABEL: f7:
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; Non-PIC and PIC code will use local exec as specified.
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; CHECK-NONPIC: external_le(TPOFF)
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; CHECK-PIC: external_le(TPOFF)
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; EMU: __emutls_get_address
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}
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define i32* @f8() {
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entry:
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ret i32* @internal_le
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; COMMON-LABEL: f8:
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; Non-PIC and PIC code will use local exec as specified.
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; CHECK-NONPIC: internal_le(TPOFF)
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; CHECK-PIC: internal_le(TPOFF)
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; EMU: __emutls_get_address
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}
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; ----- emulated specified -----
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; External declaration has no initializer.
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; Internal definition has initializer.
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; EMU-NOT: __emutls_t.external_gd
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; EMU-NOT: __emutls_v.external_gd
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; EMU: .p2align 2
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; EMU-LABEL: __emutls_v.internal_gd:
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; EMU-NEXT: .long 4
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; EMU-NEXT: .long 4
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; EMU-NEXT: .long 0
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; EMU-NEXT: .long __emutls_t.internal_gd
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; EMU-LABEL: __emutls_t.internal_gd:
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; EMU-NEXT: .long 42
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; EMU-NOT: __emutls_t.external_gd
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; __emutls_t and __emutls_v are the same for PIC and non-PIC modes.
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; EMU-NOT: __emutls_t.external_gd
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; EMU-NOT: __emutls_v.external_gd
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; EMU: .p2align 2
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; EMU-LABEL: __emutls_v.internal_le:
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; EMU-NEXT: .long 4
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; EMU-NEXT: .long 4
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; EMU-NEXT: .long 0
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; EMU-NEXT: .long __emutls_t.internal_le
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; EMU-LABEL: __emutls_t.internal_le:
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; EMU-NEXT: .long 42
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; EMU-NOT: __emutls_t.external_le
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