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; RUN: llc -filetype=asm -mtriple=mipsel-none-linux -relocation-model=static \
; RUN: -O3 < %s | FileCheck %s
; RUN: llc -filetype=asm -mtriple=mipsel-none-nacl -relocation-model=static \
; RUN: -O3 < %s | FileCheck %s -check-prefix=CHECK-NACL
@x = global i32 0, align 4
declare void @f1(i32)
declare void @f2()
define void @test1() {
%1 = load i32* @x, align 4
call void @f1(i32 %1)
ret void
; CHECK-LABEL: test1
; We first make sure that for non-NaCl targets branch-delay slot contains
; dangerous instructions.
; Check that branch-delay slot is used to load argument from x before function
; call.
; CHECK: jal
; CHECK-NEXT: lw $4, %lo(x)(${{[0-9]+}})
; Check that branch-delay slot is used for adjusting sp before return.
; CHECK: jr $ra
; CHECK-NEXT: addiu $sp, $sp, {{[0-9]+}}
; For NaCl, check that branch-delay slot doesn't contain dangerous instructions.
; CHECK-NACL: jal
; CHECK-NACL-NEXT: nop
; CHECK-NACL: jr $ra
; CHECK-NACL-NEXT: nop
}
define void @test2() {
store i32 1, i32* @x, align 4
tail call void @f2()
ret void
; CHECK-LABEL: test2
; Check that branch-delay slot is used for storing to x before function call.
; CHECK: jal
; CHECK-NEXT: sw ${{[0-9]+}}, %lo(x)(${{[0-9]+}})
; Check that branch-delay slot is used for adjusting sp before return.
; CHECK: jr $ra
; CHECK-NEXT: addiu $sp, $sp, {{[0-9]+}}
; For NaCl, check that branch-delay slot doesn't contain dangerous instructions.
; CHECK-NACL: jal
; CHECK-NACL-NEXT: nop
; CHECK-NACL: jr $ra
; CHECK-NACL-NEXT: nop
}
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