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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

81 lines
1.7 KiB
LLVM

; RUN: llc < %s -march=avr | FileCheck %s
define i8 @and8_reg_reg(i8 %a, i8 %b) {
; CHECK-LABEL: and8_reg_reg:
; CHECK: and r24, r22
%result = and i8 %a, %b
ret i8 %result
}
define i8 @and8_reg_imm(i8 %a) {
; CHECK-LABEL: and8_reg_imm:
; CHECK: andi r24, 5
%result = and i8 %a, 5
ret i8 %result
}
define i16 @and16_reg_reg(i16 %a, i16 %b) {
; CHECK-LABEL: and16_reg_reg:
; CHECK: and r24, r22
; CHECK: and r25, r23
%result = and i16 %a, %b
ret i16 %result
}
define i16 @and16_reg_imm(i16 %a) {
; CHECK-LABEL: and16_reg_imm:
; CHECK: andi r24, 210
; CHECK: andi r25, 4
%result = and i16 %a, 1234
ret i16 %result
}
define i32 @and32_reg_reg(i32 %a, i32 %b) {
; CHECK-LABEL: and32_reg_reg:
; CHECK: and r22, r18
; CHECK: and r23, r19
; CHECK: and r24, r20
; CHECK: and r25, r21
%result = and i32 %a, %b
ret i32 %result
}
define i32 @and32_reg_imm(i32 %a) {
; CHECK-LABEL: and32_reg_imm:
; CHECK: andi r22, 21
; CHECK: andi r23, 205
; CHECK: andi r24, 91
; CHECK: andi r25, 7
%result = and i32 %a, 123456789
ret i32 %result
}
define i64 @and64_reg_reg(i64 %a, i64 %b) {
; CHECK-LABEL: and64_reg_reg:
; CHECK: and r18, r10
; CHECK: and r19, r11
; CHECK: and r20, r12
; CHECK: and r21, r13
; CHECK: and r22, r14
; CHECK: and r23, r15
; CHECK: and r24, r16
; CHECK: and r25, r17
%result = and i64 %a, %b
ret i64 %result
}
define i64 @and64_reg_imm(i64 %a) {
; CHECK-LABEL: and64_reg_imm:
; CHECK: andi r18, 253
; CHECK: andi r19, 255
; CHECK: andi r20, 155
; CHECK: andi r21, 88
; CHECK: andi r22, 76
; CHECK: andi r23, 73
; CHECK: andi r24, 31
; CHECK: andi r25, 242
%result = and i64 %a, 17446744073709551613
ret i64 %result
}