; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=mips64-unknown-freebsd -O0 -o - %s | FileCheck %s
; Previously SelectionDAGBuilder would always set alignment to 1 for hidden sret
; parameters so we were generating ldl+ldr/lwl+lwr to load those values even
; though we know that they are aligned (since we allocated an aligned frame index)
declare dso_local void @use_sret(i32, i128, i64) unnamed_addr
declare dso_local { i32, i128, i64 } @implicit_sret_decl() unnamed_addr
define internal void @test() unnamed_addr nounwind {
; CHECK-LABEL: test:
; CHECK: # %bb.0: # %start
; CHECK-NEXT: daddiu $sp, $sp, -48
; CHECK-NEXT: sd $ra, 40($sp) # 8-byte Folded Spill
; CHECK-NEXT: daddiu $4, $sp, 8
; CHECK-NEXT: jal implicit_sret_decl
; CHECK-NEXT: nop
; CHECK-NEXT: ld $6, 24($sp)
; CHECK-NEXT: ld $5, 16($sp)
; CHECK-NEXT: ld $7, 32($sp)
; CHECK-NEXT: lw $1, 8($sp)
; CHECK-NEXT: # implicit-def: $a0_64
; CHECK-NEXT: move $4, $1
; CHECK-NEXT: jal use_sret
; CHECK-NEXT: nop
; CHECK-NEXT: ld $ra, 40($sp) # 8-byte Folded Reload
; CHECK-NEXT: daddiu $sp, $sp, 48
; CHECK-NEXT: jr $ra
; CHECK-NEXT: nop
start:
%0 = call { i32, i128, i64 } @implicit_sret_decl()
%1 = extractvalue { i32, i128, i64 } %0, 0
%2 = extractvalue { i32, i128, i64 } %0, 1
%3 = extractvalue { i32, i128, i64 } %0, 2
call void @use_sret(i32 %1, i128 %2, i64 %3)
ret void
}
define internal { i32, i128, i64 } @implicit_sret_impl() unnamed_addr nounwind {
; CHECK-LABEL: implicit_sret_impl:
; CHECK: # %bb.0:
; CHECK-NEXT: # kill: def $at_64 killed $a0_64
; CHECK-NEXT: daddiu $1, $zero, 20
; CHECK-NEXT: sd $1, 16($4)
; CHECK-NEXT: daddiu $1, $zero, 0
; CHECK-NEXT: sd $zero, 8($4)
; CHECK-NEXT: daddiu $1, $zero, 30
; CHECK-NEXT: sd $1, 24($4)
; CHECK-NEXT: addiu $1, $zero, 10
; CHECK-NEXT: sw $1, 0($4)
; CHECK-NEXT: jr $ra
; CHECK-NEXT: nop
ret { i32, i128, i64 } { i32 10, i128 20, i64 30 }
}
declare dso_local { i32, i32, i32, i32, i32, i32 } @implicit_sret_decl2() unnamed_addr
declare dso_local void @use_sret2(i32, i32, i32) unnamed_addr
define internal void @test2() unnamed_addr nounwind {
; CHECK-LABEL: test2:
; CHECK: # %bb.0: # %start
; CHECK-NEXT: daddiu $sp, $sp, -32
; CHECK-NEXT: sd $ra, 24($sp) # 8-byte Folded Spill
; CHECK-NEXT: daddiu $4, $sp, 0
; CHECK-NEXT: jal implicit_sret_decl2
; CHECK-NEXT: nop
; CHECK-NEXT: lw $1, 20($sp)
; CHECK-NEXT: lw $2, 12($sp)
; CHECK-NEXT: lw $3, 4($sp)
; CHECK-NEXT: # implicit-def: $a0_64
; CHECK-NEXT: move $4, $3
; CHECK-NEXT: # implicit-def: $a1_64
; CHECK-NEXT: move $5, $2
; CHECK-NEXT: # implicit-def: $a2_64
; CHECK-NEXT: move $6, $1
; CHECK-NEXT: jal use_sret2
; CHECK-NEXT: nop
; CHECK-NEXT: ld $ra, 24($sp) # 8-byte Folded Reload
; CHECK-NEXT: daddiu $sp, $sp, 32
; CHECK-NEXT: jr $ra
; CHECK-NEXT: nop
start:
%0 = call { i32, i32, i32, i32, i32, i32 } @implicit_sret_decl2()
%1 = extractvalue { i32, i32, i32, i32, i32, i32 } %0, 1
%2 = extractvalue { i32, i32, i32, i32, i32, i32 } %0, 3
%3 = extractvalue { i32, i32, i32, i32, i32, i32 } %0, 5
call void @use_sret2(i32 %1, i32 %2, i32 %3)
ret void
}
define internal { i32, i32, i32, i32, i32, i32 } @implicit_sret_impl2() unnamed_addr nounwind {
; CHECK-LABEL: implicit_sret_impl2:
; CHECK: # %bb.0:
; CHECK-NEXT: # kill: def $at_64 killed $a0_64
; CHECK-NEXT: addiu $1, $zero, 6
; CHECK-NEXT: sw $1, 20($4)
; CHECK-NEXT: addiu $1, $zero, 5
; CHECK-NEXT: sw $1, 16($4)
; CHECK-NEXT: addiu $1, $zero, 4
; CHECK-NEXT: sw $1, 12($4)
; CHECK-NEXT: addiu $1, $zero, 3
; CHECK-NEXT: sw $1, 8($4)
; CHECK-NEXT: addiu $1, $zero, 2
; CHECK-NEXT: sw $1, 4($4)
; CHECK-NEXT: addiu $1, $zero, 1
; CHECK-NEXT: sw $1, 0($4)
; CHECK-NEXT: jr $ra
; CHECK-NEXT: nop
ret { i32, i32, i32, i32, i32, i32 } { i32 1, i32 2, i32 3, i32 4, i32 5, i32 6 }
}
Codebase Browser
llvm