llvm/test/CodeGen/Mips/eh-return32.ll
2016-06-24 12:23:17 +00:00

90 lines
3.2 KiB
LLVM

; RUN: llc -march=mipsel -mcpu=mips32 -asm-show-inst -relocation-model=pic < %s | FileCheck %s -check-prefixes=CHECK,NOT-R6
; RUN: llc -march=mipsel -mcpu=mips32r2 -asm-show-inst -relocation-model=pic < %s | FileCheck %s -check-prefixes=CHECK,NOT-R6
; RUN: llc -march=mipsel -mcpu=mips32r6 -asm-show-inst -relocation-model=pic < %s | FileCheck %s -check-prefixes=CHECK,R6
declare void @llvm.eh.return.i32(i32, i8*)
declare void @foo(...)
define i8* @f1(i32 %offset, i8* %handler) {
entry:
call void (...) @foo()
call void @llvm.eh.return.i32(i32 %offset, i8* %handler)
unreachable
; CHECK: f1:
; CHECK: addiu $sp, $sp, -[[spoffset:[0-9]+]]
; check that $a0-$a3 are saved on stack.
; CHECK: sw $4, [[offset0:[0-9]+]]($sp)
; CHECK: sw $5, [[offset1:[0-9]+]]($sp)
; CHECK: sw $6, [[offset2:[0-9]+]]($sp)
; CHECK: sw $7, [[offset3:[0-9]+]]($sp)
; check that .cfi_offset directives are emitted for $a0-$a3.
; CHECK: .cfi_offset 4,
; CHECK: .cfi_offset 5,
; CHECK: .cfi_offset 6,
; CHECK: .cfi_offset 7,
; check that stack adjustment and handler are put in $v1 and $v0.
; CHECK: move $[[R0:[a-z0-9]+]], $5
; CHECK: move $[[R1:[a-z0-9]+]], $4
; CHECK: move $3, $[[R1]]
; CHECK: move $2, $[[R0]]
; check that $a0-$a3 are restored from stack.
; CHECK: lw $4, [[offset0]]($sp)
; CHECK: lw $5, [[offset1]]($sp)
; CHECK: lw $6, [[offset2]]($sp)
; CHECK: lw $7, [[offset3]]($sp)
; check that stack is adjusted by $v1 and that code returns to address in $v0
; also check that $25 contains handler value
; CHECK: addiu $sp, $sp, [[spoffset]]
; CHECK: move $25, $2
; CHECK: move $ra, $2
; NOT-R6: jr $ra # <MCInst #{{[0-9]+}} JR
; R6: jr $ra # <MCInst #{{[0-9]+}} JALR
; CHECK: addu $sp, $sp, $3
}
define i8* @f2(i32 %offset, i8* %handler) {
entry:
call void @llvm.eh.return.i32(i32 %offset, i8* %handler)
unreachable
; CHECK: f2:
; CHECK: addiu $sp, $sp, -[[spoffset:[0-9]+]]
; check that $a0-$a3 are saved on stack.
; CHECK: sw $4, [[offset0:[0-9]+]]($sp)
; CHECK: sw $5, [[offset1:[0-9]+]]($sp)
; CHECK: sw $6, [[offset2:[0-9]+]]($sp)
; CHECK: sw $7, [[offset3:[0-9]+]]($sp)
; check that .cfi_offset directives are emitted for $a0-$a3.
; CHECK: .cfi_offset 4,
; CHECK: .cfi_offset 5,
; CHECK: .cfi_offset 6,
; CHECK: .cfi_offset 7,
; check that stack adjustment and handler are put in $v1 and $v0.
; CHECK: move $3, $4
; CHECK: move $2, $5
; check that $a0-$a3 are restored from stack.
; CHECK: lw $4, [[offset0]]($sp)
; CHECK: lw $5, [[offset1]]($sp)
; CHECK: lw $6, [[offset2]]($sp)
; CHECK: lw $7, [[offset3]]($sp)
; check that stack is adjusted by $v1 and that code returns to address in $v0
; also check that $25 contains handler value
; CHECK: addiu $sp, $sp, [[spoffset]]
; CHECK: move $25, $2
; CHECK: move $ra, $2
; NOT-R6: jr $ra # <MCInst #{{[0-9]+}} JR
; R6: jr $ra # <MCInst #{{[0-9]+}} JALR
; CHECK: addu $sp, $sp, $3
}