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21cd444174
Follow-up of D78082 (x86-64). This change avoids dynamic relocations in `xray_instr_map` for ARM/AArch64/powerpc64le. MIPS64 cannot use 64-bit PC-relative addresses because R_MIPS_PC64 is not defined. Because MIPS32 shares the same code, for simplicity, we don't use PC-relative addresses for MIPS32 as well. Tested on AArch64 Linux and ppc64le Linux. Reviewed By: ianlevesque Differential Revision: https://reviews.llvm.org/D78590
55 lines
1.3 KiB
LLVM
55 lines
1.3 KiB
LLVM
; RUN: llc -filetype=asm -o - -mtriple=armv7-unknown-linux-gnu < %s | FileCheck %s
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; RUN: llc -filetype=asm -o - -mtriple=armv7-apple-ios6.0.0 < %s | FileCheck %s
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define i32 @callee() nounwind noinline uwtable "function-instrument"="xray-always" {
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; CHECK: .p2align 2
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; CHECK-LABEL: Lxray_sled_0:
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; CHECK-NEXT: b #20
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-LABEL: Ltmp0:
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ret i32 0
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; CHECK-NEXT: mov r0, #0
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; CHECK-NEXT: .p2align 2
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; CHECK-LABEL: Lxray_sled_1:
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; CHECK-NEXT: b #20
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-LABEL: Ltmp1:
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; CHECK-NEXT: bx lr
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}
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define i32 @caller() nounwind noinline uwtable "function-instrument"="xray-always" {
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; CHECK: .p2align 2
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; CHECK-LABEL: Lxray_sled_2:
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; CHECK-NEXT: b #20
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-LABEL: Ltmp4:
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; CHECK: .p2align 2
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; CHECK-LABEL: Lxray_sled_3:
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; CHECK-NEXT: b #20
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-LABEL: Ltmp5:
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%retval = tail call i32 @callee()
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; CHECK: b {{.*}}callee
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ret i32 %retval
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}
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