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llvm-mirror/test/CodeGen/AVR/xor.ll
Dylan McKay 7b7d569297 [AVR] Add the pseudo instruction expansion pass
Summary:
A lot of the pseudo instructions are required because LLVM assumes that
all integers of the same size as the pointer size are legal. This means
that it will not currently expand 16-bit instructions to their 8-bit
variants because it thinks 16-bit types are legal for the operations.

This also adds all of the CodeGen tests that required the pass to run.

Reviewers: arsenm, kparzysz

Subscribers: wdng, mgorny, modocache, llvm-commits

Differential Revision: https://reviews.llvm.org/D26577

llvm-svn: 287162
2016-11-16 21:58:04 +00:00

42 lines
870 B
LLVM

; RUN: llc < %s -march=avr | FileCheck %s
define i8 @xor8_reg_reg(i8 %a, i8 %b) {
; CHECK-LABEL: xor8_reg_reg:
; CHECK: eor r24, r22
%result = xor i8 %a, %b
ret i8 %result
}
define i16 @xor16_reg_reg(i16 %a, i16 %b) {
; CHECK-LABEL: xor16_reg_reg:
; CHECK: eor r24, r22
; CHECK: eor r25, r23
%result = xor i16 %a, %b
ret i16 %result
}
define i32 @xor32_reg_reg(i32 %a, i32 %b) {
; CHECK-LABEL: xor32_reg_reg:
; CHECK: eor r22, r18
; CHECK: eor r23, r19
; CHECK: eor r24, r20
; CHECK: eor r25, r21
%result = xor i32 %a, %b
ret i32 %result
}
define i64 @xor64_reg_reg(i64 %a, i64 %b) {
; CHECK-LABEL: xor64_reg_reg:
; CHECK: eor r18, r10
; CHECK: eor r19, r11
; CHECK: eor r20, r12
; CHECK: eor r21, r13
; CHECK: eor r22, r14
; CHECK: eor r23, r15
; CHECK: eor r24, r16
; CHECK: eor r25, r17
%result = xor i64 %a, %b
ret i64 %result
}