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llvm-mirror/test/CodeGen/Mips/reloc-jalr.ll
Vladimir Stefanovic e467c341aa [mips] Emit .reloc R_{MICRO}MIPS_JALR along with j(al)r(c) $25 
The callee address is added as an optional operand (MCSymbol) in
AdjustInstrPostInstrSelection() and then used by asm printer to insert:
'.reloc tmplabel, R_MIPS_JALR, symbol
tmplabel:'.
Controlled with '-mips-jalr-reloc', default is true.

Differential revision: https://reviews.llvm.org/D56694

llvm-svn: 351485
2019-01-17 21:50:37 +00:00

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; RUN: llc -mtriple=mips-linux-gnu -relocation-model=pic -mips-tail-calls=1 \
; RUN: -O2 < %s | \
; RUN: FileCheck %s -check-prefixes=ALL,JALR-32R2,TAILCALL-32R2
; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=pic -mips-tail-calls=1 \
; RUN: -O2 < %s | \
; RUN: FileCheck %s -check-prefixes=ALL,JALR-64R2,TAILCALL-64R2
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=pic -mips-tail-calls=1 \
; RUN: -O2 -mcpu=mips32r6 -mips-compact-branches=always < %s | \
; RUN: FileCheck %s -check-prefixes=ALL,JALR-32R6,TAILCALL-32R6
; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=pic -mips-tail-calls=1 \
; RUN: -O2 -mcpu=mips64r6 -mips-compact-branches=always < %s | \
; RUN: FileCheck %s -check-prefixes=ALL,JALR-64R6,TAILCALL-64R6
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=pic -mips-tail-calls=1 \
; RUN: -O2 -mcpu=mips32r6 -mips-compact-branches=never < %s | \
; RUN: FileCheck %s -check-prefixes=ALL,JALR-32R2,TAILCALL-32R2
; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=pic -mips-tail-calls=1 \
; RUN: -O2 -mcpu=mips64r6 -mips-compact-branches=never < %s | \
; RUN: FileCheck %s -check-prefixes=ALL,JALR-64R2,TAILCALL-64R2
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=pic -mips-tail-calls=1 \
; RUN: -O2 -mattr=+micromips -mcpu=mips32r2 < %s | \
; RUN: FileCheck %s -check-prefixes=ALL,JALR-MM,TAILCALL-MM
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=pic -mips-tail-calls=1 \
; RUN: -O2 -mattr=+micromips -mcpu=mips32r6 < %s | \
; RUN: FileCheck %s -check-prefixes=ALL,JALR-MM
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=pic \
; RUN: -O0 < %s | FileCheck %s -check-prefixes=ALL,JALR-32R2
; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=pic \
; RUN: -O0 < %s | FileCheck %s -check-prefixes=ALL,JALR-64R2
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=pic \
; RUN: -O0 -mcpu=mips32r6 -mips-compact-branches=always < %s | \
; RUN: FileCheck %s -check-prefixes=ALL,JALR-32R6
; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=pic \
; RUN: -O0 -mcpu=mips64r6 -mips-compact-branches=always < %s | \
; RUN: FileCheck %s -check-prefixes=ALL,JALR-64R6
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=pic \
; RUN: -O0 -mcpu=mips32r6 -mips-compact-branches=never < %s | \
; RUN: FileCheck %s -check-prefixes=ALL,JALR-32R2
; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=pic \
; RUN: -O0 -mcpu=mips64r6 -mips-compact-branches=never < %s | \
; RUN: FileCheck %s -check-prefixes=ALL,JALR-64R2
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=pic \
; RUN: -O0 -mattr=+micromips -mcpu=mips32r2 < %s | \
; RUN: FileCheck %s -check-prefixes=ALL,JALR-MM
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=pic \
; RUN: -O0 -mattr=+micromips -mcpu=mips32r6 < %s | \
; RUN: FileCheck %s -check-prefixes=ALL,JALR-MM
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=pic -mips-tail-calls=1 \
; RUN: -O2 -mips-jalr-reloc=false < %s | \
; RUN: FileCheck %s -check-prefixes=ALL,NORELOC
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=static -mips-tail-calls=1 \
; RUN: -O2 < %s | \
; RUN: FileCheck %s -check-prefixes=ALL,NORELOC
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=pic -mips-tail-calls=1 \
; RUN: -O0 -mips-jalr-reloc=false < %s | \
; RUN: FileCheck %s -check-prefixes=ALL,NORELOC
; RUN: llc -mtriple=mips-linux-gnu -relocation-model=static -mips-tail-calls=1 \
; RUN: -O0 < %s | \
; RUN: FileCheck %s -check-prefixes=ALL,NORELOC
; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=pic -mips-tail-calls=1 \
; RUN: -O2 -mips-jalr-reloc=false < %s | \
; RUN: FileCheck %s -check-prefixes=ALL,NORELOC
; RUN: llc -mtriple=mips64-linux-gnu -mips-tail-calls=1 \
; RUN: -O2 -relocation-model=static < %s | \
; RUN: FileCheck %s -check-prefixes=ALL,NORELOC
; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=pic \
; RUN: -O0 -mips-jalr-reloc=false < %s | \
; RUN: FileCheck %s -check-prefixes=ALL,NORELOC
; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=static \
; RUN: -O0 < %s | \
; RUN: FileCheck %s -check-prefixes=ALL,NORELOC
define internal void @foo() noinline {
entry:
ret void
}
define void @checkCall() {
entry:
; ALL-LABEL: checkCall:
call void @foo()
; JALR-32R2: .reloc ([[TMPLABEL:.*]]), R_MIPS_JALR, foo
; JALR-32R2-NEXT: [[TMPLABEL]]:
; JALR-32R2-NEXT: jalr $25
; JALR-64R2: .reloc [[TMPLABEL:.*]], R_MIPS_JALR, foo
; JALR-64R2-NEXT: [[TMPLABEL]]:
; JALR-64R2-NEXT: jalr $25
; JALR-MM: .reloc ([[TMPLABEL:.*]]), R_MICROMIPS_JALR, foo
; JALR-MM-NEXT: [[TMPLABEL]]:
; JALR-MM-NEXT: jalr $25
; JALR-32R6: .reloc ([[TMPLABEL:.*]]), R_MIPS_JALR, foo
; JALR-32R6-NEXT: [[TMPLABEL]]:
; JALR-32R6-NEXT: jalrc $25
; JALR-64R6: .reloc [[TMPLABEL:.*]], R_MIPS_JALR, foo
; JALR-64R6-NEXT: [[TMPLABEL]]:
; JALR-64R6-NEXT: jalrc $25
; NORELOC-NOT: R_MIPS_JALR
ret void
}
define void @checkTailCall() {
entry:
; ALL-LABEL: checkTailCall:
tail call void @foo()
; TAILCALL-32R2: .reloc ([[TMPLABEL:.*]]), R_MIPS_JALR, foo
; TAILCALL-32R2-NEXT: [[TMPLABEL]]:
; TAILCALL-32R2-NEXT: jr $25
; TAILCALL-64R2: .reloc [[TMPLABEL:.*]], R_MIPS_JALR, foo
; TAILCALL-64R2-NEXT: [[TMPLABEL]]:
; TAILCALL-64R2-NEXT: jr $25
; TAILCALL-MM: .reloc ([[TMPLABEL:.*]]), R_MICROMIPS_JALR, foo
; TAILCALL-MM-NEXT: [[TMPLABEL]]:
; TAILCALL-MM-NEXT: jrc $25
; TAILCALL-32R6: .reloc ([[TMPLABEL:.*]]), R_MIPS_JALR, foo
; TAILCALL-32R6-NEXT: [[TMPLABEL]]:
; TAILCALL-32R6-NEXT: jrc $25
; TAILCALL-64R6: .reloc [[TMPLABEL:.*]], R_MIPS_JALR, foo
; TAILCALL-64R6-NEXT: [[TMPLABEL]]:
; TAILCALL-64R6-NEXT: jrc $25
; NORELOC-NOT: R_MIPS_JALR
ret void
}
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