51 lines
2.1 KiB
LLVM
51 lines
2.1 KiB
LLVM
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; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
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; RUN: -mcpu=pwr10 -ppc-asm-full-reg-names < %s | FileCheck %s --check-prefix=CHECK-S
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; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
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; RUN: -mcpu=pwr10 -ppc-asm-full-reg-names --filetype=obj -o %t.o < %s
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; RUN: llvm-objdump --mcpu=pwr10 -dr %t.o | FileCheck %s --check-prefix=CHECK-O
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; RUN: llvm-readelf -s %t.o | FileCheck %s --check-prefix=CHECK-SYM
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; These test cases are to ensure that when using pc relative memory operations
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; ABI correct code and relocations are produced for Initial Exec TLS Model.
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; Note that with R_PPC64_TLS relocations, to distinguish PC relative
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; TLS the relocation has a field value displaced by one byte from the
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; beginning of the instruction.
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@x = external thread_local global i32, align 4
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define i32* @InitialExecAddressLoad() {
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; CHECK-S-LABEL: InitialExecAddressLoad:
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; CHECK-S: # %bb.0: # %entry
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; CHECK-S-NEXT: pld r3, x@got@tprel@pcrel(0), 1
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; CHECK-S-NEXT: add r3, r3, x@tls@pcrel
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; CHECK-S-NEXT: blr
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; CHECK-O-LABEL: <InitialExecAddressLoad>:
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; CHECK-O: 00 00 10 04 00 00 60 e4 pld 3, 0(0), 1
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; CHECK-O-NEXT: 0000000000000000: R_PPC64_GOT_TPREL_PCREL34 x
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; CHECK-O-NEXT: 14 6a 63 7c add 3, 3, 13
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; CHECK-O-NEXT: 0000000000000009: R_PPC64_TLS x
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; CHECK-O-NEXT: 20 00 80 4e blr
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entry:
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ret i32* @x
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}
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define i32 @InitialExecValueLoad() {
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; CHECK-S-LABEL: InitialExecValueLoad:
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; CHECK-S: # %bb.0: # %entry
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; CHECK-S-NEXT: pld r3, x@got@tprel@pcrel(0), 1
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; CHECK-S-NEXT: lwzx r3, r3, x@tls@pcrel
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; CHECK-S-NEXT: blr
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; CHECK-O-LABEL: <InitialExecValueLoad>:
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; CHECK-O: 00 00 10 04 00 00 60 e4 pld 3, 0(0), 1
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; CHECK-O-NEXT: 0000000000000020: R_PPC64_GOT_TPREL_PCREL34 x
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; CHECK-O-NEXT: 2e 68 63 7c lwzx 3, 3, 13
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; CHECK-O-NEXT: 0000000000000029: R_PPC64_TLS x
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; CHECK-O-NEXT: 20 00 80 4e blr
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; CHECK-SYM-LABEL: Symbol table '.symtab' contains 6 entries
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; CHECK-SYM: 5: 0000000000000000 0 TLS GLOBAL DEFAULT UND x
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entry:
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%0 = load i32, i32* @x, align 4
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ret i32 %0
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}
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