llvm-6502/test/MC/ARM/simple-encoding.ll
2010-10-11 23:16:21 +00:00

39 lines
1.1 KiB
LLVM

;RUN: llc -mtriple=armv7-apple-darwin -show-mc-encoding < %s | FileCheck %s
;FIXME: Once the ARM integrated assembler is up and going, these sorts of tests
; should run on .s source files rather than using llc to generate the
; assembly.
define i32 @foo(i32 %a, i32 %b) nounwind ssp {
entry:
; CHECK: foo
; CHECK: trap @ encoding: [0xf0,0x00,0xf0,0x07]
; CHECK: bx lr @ encoding: [0x1e,0xff,0x2f,0xe1]
tail call void @llvm.trap()
ret i32 undef
}
define i32 @f2(i32 %a, i32 %b) nounwind readnone ssp {
entry:
; CHECK: f2
; CHECK: add r0, r1, r0 @ encoding: [0x00,0x00,0x81,0xe0]
; CHECK: bx lr @ encoding: [0x1e,0xff,0x2f,0xe1]
%add = add nsw i32 %b, %a
ret i32 %add
}
define i32 @f3(i32 %a, i32 %b) nounwind readnone ssp {
entry:
; CHECK: f3
; CHECK: add r0, r0, r1, lsl #3 @ encoding: [0x81,0x01,0x80,0xe0]
; CHECK: bx lr @ encoding: [0x1e,0xff,0x2f,0xe1]
%mul = shl i32 %b, 3
%add = add nsw i32 %mul, %a
ret i32 %add
}
declare void @llvm.trap() nounwind