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Simon Dardis
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[mips] UnXFAIL gprestore.ll test.
Repurpose this previously XFAIL'd test to check that jalr uses $25 as per ABI requirements for PIC code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@324729 91177308-0d34-0410-b5e6-96231b3b80d8
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‎test/CodeGen/Mips/gprestore.ll

Lines changed: 207 additions & 14 deletions
Original file line numberDiff line numberDiff line change
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1-
; DISABLE: llc -march=mips < %s | FileCheck %s
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; RUN: false
3-
; XFAIL: *
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=mips-mti-linux-gnu < %s -relocation-model=pic | FileCheck %s --check-prefix=O32
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; RUN: llc -mtriple=mips64-mti-linux-gnu < %s -relocation-model=pic | FileCheck %s --check-prefix=N64
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; RUN: llc -mtriple=mips64-mti-linux-gnu < %s -relocation-model=pic -target-abi n32 | FileCheck %s --check-prefix=N32
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; RUN: llc -mtriple=mips-mti-linux-gnu < %s -relocation-model=pic -O3 | FileCheck %s --check-prefix=O3O32
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; RUN: llc -mtriple=mips64-mti-linux-gnu < %s -relocation-model=pic -O3 | FileCheck %s --check-prefix=O3N64
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; RUN: llc -mtriple=mips64-mti-linux-gnu < %s -relocation-model=pic -target-abi n32 -O3 | FileCheck %s --check-prefix=O3N32
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; Test that PIC calls use the $25 register. This is an ABI requirement.
410

511
@p = external global i32
612
@q = external global i32
713
@r = external global i32
814

915
define void @f0() nounwind {
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; O32-LABEL: f0:
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; O32: # %bb.0: # %entry
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; O32-NEXT: lui $2, %hi(_gp_disp)
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; O32-NEXT: addiu $2, $2, %lo(_gp_disp)
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; O32-NEXT: addiu $sp, $sp, -32
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; O32-NEXT: sw $ra, 28($sp) # 4-byte Folded Spill
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; O32-NEXT: sw $17, 24($sp) # 4-byte Folded Spill
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; O32-NEXT: sw $16, 20($sp) # 4-byte Folded Spill
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; O32-NEXT: addu $16, $2, $25
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; O32-NEXT: lw $25, %call16(f1)($16)
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; O32-NEXT: jalr $25
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; O32-NEXT: move $gp, $16
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; O32-NEXT: lw $1, %got(p)($16)
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; O32-NEXT: lw $4, 0($1)
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; O32-NEXT: lw $25, %call16(f2)($16)
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; O32-NEXT: jalr $25
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; O32-NEXT: move $gp, $16
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; O32-NEXT: lw $1, %got(q)($16)
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; O32-NEXT: lw $17, 0($1)
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; O32-NEXT: lw $25, %call16(f2)($16)
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; O32-NEXT: jalr $25
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; O32-NEXT: move $4, $17
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; O32-NEXT: lw $1, %got(r)($16)
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; O32-NEXT: lw $5, 0($1)
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; O32-NEXT: lw $25, %call16(f3)($16)
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; O32-NEXT: move $4, $17
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; O32-NEXT: jalr $25
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; O32-NEXT: move $gp, $16
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; O32-NEXT: lw $16, 20($sp) # 4-byte Folded Reload
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; O32-NEXT: lw $17, 24($sp) # 4-byte Folded Reload
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; O32-NEXT: lw $ra, 28($sp) # 4-byte Folded Reload
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; O32-NEXT: jr $ra
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; O32-NEXT: addiu $sp, $sp, 32
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;
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; N64-LABEL: f0:
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; N64: # %bb.0: # %entry
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; N64-NEXT: daddiu $sp, $sp, -32
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; N64-NEXT: sd $ra, 24($sp) # 8-byte Folded Spill
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; N64-NEXT: sd $gp, 16($sp) # 8-byte Folded Spill
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; N64-NEXT: sd $16, 8($sp) # 8-byte Folded Spill
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; N64-NEXT: lui $1, %hi(%neg(%gp_rel(f0)))
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; N64-NEXT: daddu $1, $1, $25
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; N64-NEXT: daddiu $gp, $1, %lo(%neg(%gp_rel(f0)))
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; N64-NEXT: ld $25, %call16(f1)($gp)
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; N64-NEXT: jalr $25
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; N64-NEXT: nop
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; N64-NEXT: ld $1, %got_disp(p)($gp)
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; N64-NEXT: ld $25, %call16(f2)($gp)
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; N64-NEXT: jalr $25
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; N64-NEXT: lw $4, 0($1)
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; N64-NEXT: ld $1, %got_disp(q)($gp)
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; N64-NEXT: lw $16, 0($1)
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; N64-NEXT: ld $25, %call16(f2)($gp)
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; N64-NEXT: jalr $25
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; N64-NEXT: move $4, $16
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; N64-NEXT: ld $1, %got_disp(r)($gp)
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; N64-NEXT: lw $5, 0($1)
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; N64-NEXT: ld $25, %call16(f3)($gp)
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; N64-NEXT: jalr $25
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; N64-NEXT: move $4, $16
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; N64-NEXT: ld $16, 8($sp) # 8-byte Folded Reload
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; N64-NEXT: ld $gp, 16($sp) # 8-byte Folded Reload
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; N64-NEXT: ld $ra, 24($sp) # 8-byte Folded Reload
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; N64-NEXT: jr $ra
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; N64-NEXT: daddiu $sp, $sp, 32
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;
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; N32-LABEL: f0:
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; N32: # %bb.0: # %entry
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; N32-NEXT: addiu $sp, $sp, -32
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; N32-NEXT: sd $ra, 24($sp) # 8-byte Folded Spill
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; N32-NEXT: sd $gp, 16($sp) # 8-byte Folded Spill
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; N32-NEXT: sd $16, 8($sp) # 8-byte Folded Spill
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; N32-NEXT: lui $1, %hi(%neg(%gp_rel(f0)))
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; N32-NEXT: addu $1, $1, $25
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; N32-NEXT: addiu $gp, $1, %lo(%neg(%gp_rel(f0)))
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; N32-NEXT: lw $25, %call16(f1)($gp)
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; N32-NEXT: jalr $25
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; N32-NEXT: nop
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; N32-NEXT: lw $1, %got_disp(p)($gp)
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; N32-NEXT: lw $25, %call16(f2)($gp)
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; N32-NEXT: jalr $25
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; N32-NEXT: lw $4, 0($1)
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; N32-NEXT: lw $1, %got_disp(q)($gp)
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; N32-NEXT: lw $16, 0($1)
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; N32-NEXT: lw $25, %call16(f2)($gp)
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; N32-NEXT: jalr $25
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; N32-NEXT: move $4, $16
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; N32-NEXT: lw $1, %got_disp(r)($gp)
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; N32-NEXT: lw $5, 0($1)
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; N32-NEXT: lw $25, %call16(f3)($gp)
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; N32-NEXT: jalr $25
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; N32-NEXT: move $4, $16
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; N32-NEXT: ld $16, 8($sp) # 8-byte Folded Reload
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; N32-NEXT: ld $gp, 16($sp) # 8-byte Folded Reload
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; N32-NEXT: ld $ra, 24($sp) # 8-byte Folded Reload
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; N32-NEXT: jr $ra
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; N32-NEXT: addiu $sp, $sp, 32
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;
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; O3O32-LABEL: f0:
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; O3O32: # %bb.0: # %entry
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; O3O32-NEXT: lui $2, %hi(_gp_disp)
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; O3O32-NEXT: addiu $2, $2, %lo(_gp_disp)
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; O3O32-NEXT: addiu $sp, $sp, -32
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; O3O32-NEXT: sw $ra, 28($sp) # 4-byte Folded Spill
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; O3O32-NEXT: sw $17, 24($sp) # 4-byte Folded Spill
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; O3O32-NEXT: sw $16, 20($sp) # 4-byte Folded Spill
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; O3O32-NEXT: addu $16, $2, $25
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; O3O32-NEXT: lw $25, %call16(f1)($16)
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; O3O32-NEXT: jalr $25
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; O3O32-NEXT: move $gp, $16
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; O3O32-NEXT: lw $1, %got(p)($16)
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; O3O32-NEXT: lw $25, %call16(f2)($16)
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; O3O32-NEXT: move $gp, $16
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; O3O32-NEXT: jalr $25
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; O3O32-NEXT: lw $4, 0($1)
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; O3O32-NEXT: lw $1, %got(q)($16)
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; O3O32-NEXT: lw $25, %call16(f2)($16)
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; O3O32-NEXT: lw $17, 0($1)
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; O3O32-NEXT: jalr $25
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; O3O32-NEXT: move $4, $17
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; O3O32-NEXT: lw $1, %got(r)($16)
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; O3O32-NEXT: lw $25, %call16(f3)($16)
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; O3O32-NEXT: move $4, $17
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; O3O32-NEXT: move $gp, $16
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; O3O32-NEXT: jalr $25
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; O3O32-NEXT: lw $5, 0($1)
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; O3O32-NEXT: lw $16, 20($sp) # 4-byte Folded Reload
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; O3O32-NEXT: lw $17, 24($sp) # 4-byte Folded Reload
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; O3O32-NEXT: lw $ra, 28($sp) # 4-byte Folded Reload
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; O3O32-NEXT: jr $ra
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; O3O32-NEXT: addiu $sp, $sp, 32
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;
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; O3N64-LABEL: f0:
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; O3N64: # %bb.0: # %entry
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; O3N64-NEXT: daddiu $sp, $sp, -32
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; O3N64-NEXT: sd $ra, 24($sp) # 8-byte Folded Spill
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; O3N64-NEXT: sd $gp, 16($sp) # 8-byte Folded Spill
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; O3N64-NEXT: sd $16, 8($sp) # 8-byte Folded Spill
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; O3N64-NEXT: lui $1, %hi(%neg(%gp_rel(f0)))
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; O3N64-NEXT: daddu $1, $1, $25
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; O3N64-NEXT: daddiu $gp, $1, %lo(%neg(%gp_rel(f0)))
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; O3N64-NEXT: ld $25, %call16(f1)($gp)
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; O3N64-NEXT: jalr $25
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; O3N64-NEXT: nop
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; O3N64-NEXT: ld $1, %got_disp(p)($gp)
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; O3N64-NEXT: ld $25, %call16(f2)($gp)
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; O3N64-NEXT: jalr $25
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; O3N64-NEXT: lw $4, 0($1)
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; O3N64-NEXT: ld $1, %got_disp(q)($gp)
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; O3N64-NEXT: ld $25, %call16(f2)($gp)
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; O3N64-NEXT: lw $16, 0($1)
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; O3N64-NEXT: jalr $25
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; O3N64-NEXT: move $4, $16
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; O3N64-NEXT: ld $1, %got_disp(r)($gp)
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; O3N64-NEXT: ld $25, %call16(f3)($gp)
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; O3N64-NEXT: move $4, $16
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; O3N64-NEXT: jalr $25
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; O3N64-NEXT: lw $5, 0($1)
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; O3N64-NEXT: ld $16, 8($sp) # 8-byte Folded Reload
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; O3N64-NEXT: ld $gp, 16($sp) # 8-byte Folded Reload
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; O3N64-NEXT: ld $ra, 24($sp) # 8-byte Folded Reload
177+
; O3N64-NEXT: jr $ra
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; O3N64-NEXT: daddiu $sp, $sp, 32
179+
;
180+
; O3N32-LABEL: f0:
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; O3N32: # %bb.0: # %entry
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; O3N32-NEXT: addiu $sp, $sp, -32
183+
; O3N32-NEXT: sd $ra, 24($sp) # 8-byte Folded Spill
184+
; O3N32-NEXT: sd $gp, 16($sp) # 8-byte Folded Spill
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; O3N32-NEXT: sd $16, 8($sp) # 8-byte Folded Spill
186+
; O3N32-NEXT: lui $1, %hi(%neg(%gp_rel(f0)))
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; O3N32-NEXT: addu $1, $1, $25
188+
; O3N32-NEXT: addiu $gp, $1, %lo(%neg(%gp_rel(f0)))
189+
; O3N32-NEXT: lw $25, %call16(f1)($gp)
190+
; O3N32-NEXT: jalr $25
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; O3N32-NEXT: nop
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; O3N32-NEXT: lw $1, %got_disp(p)($gp)
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; O3N32-NEXT: lw $25, %call16(f2)($gp)
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; O3N32-NEXT: jalr $25
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; O3N32-NEXT: lw $4, 0($1)
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; O3N32-NEXT: lw $1, %got_disp(q)($gp)
197+
; O3N32-NEXT: lw $25, %call16(f2)($gp)
198+
; O3N32-NEXT: lw $16, 0($1)
199+
; O3N32-NEXT: jalr $25
200+
; O3N32-NEXT: move $4, $16
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; O3N32-NEXT: lw $1, %got_disp(r)($gp)
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; O3N32-NEXT: lw $25, %call16(f3)($gp)
203+
; O3N32-NEXT: move $4, $16
204+
; O3N32-NEXT: jalr $25
205+
; O3N32-NEXT: lw $5, 0($1)
206+
; O3N32-NEXT: ld $16, 8($sp) # 8-byte Folded Reload
207+
; O3N32-NEXT: ld $gp, 16($sp) # 8-byte Folded Reload
208+
; O3N32-NEXT: ld $ra, 24($sp) # 8-byte Folded Reload
209+
; O3N32-NEXT: jr $ra
210+
; O3N32-NEXT: addiu $sp, $sp, 32
10211
entry:
11-
; CHECK: jalr
12-
; CHECK-NOT: got({{.*}})($gp)
13-
; CHECK: lw $gp
14-
; CHECK: jalr
15-
; CHECK-NOT: got({{.*}})($gp)
16-
; CHECK: lw $gp
17-
; CHECK: jalr
18-
; CHECK-NOT: got({{.*}})($gp)
19-
; CHECK: lw $gp
20-
tail call void (...) @f1() nounwind
212+
tail call void @f1() nounwind
21213
%tmp = load i32, i32* @p, align 4
22214
tail call void @f2(i32 %tmp) nounwind
23215
%tmp1 = load i32, i32* @q, align 4
216+
tail call void @f2(i32 %tmp1) nounwind
24217
%tmp2 = load i32, i32* @r, align 4
25218
tail call void @f3(i32 %tmp1, i32 %tmp2) nounwind
26219
ret void
27220
}
28221

29-
declare void @f1(...)
222+
declare void @f1()
30223

31224
declare void @f2(i32)
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