llvm-project/llvm/test/CodeGen/MSP430/inline-asm.ll

17 lines
664 B
LLVM

; RUN: llvm-as < %s | llc
; PR4778
target datalayout = "e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"
target triple = "msp430-generic-generic"
define signext i8 @__nesc_atomic_start() nounwind {
entry:
%0 = tail call i16 asm sideeffect "mov r2, $0", "=r"() nounwind ; <i16> [#uses=1]
%1 = trunc i16 %0 to i8 ; <i8> [#uses=1]
%and3 = lshr i8 %1, 3 ; <i8> [#uses=1]
%conv1 = and i8 %and3, 1 ; <i8> [#uses=1]
tail call void asm sideeffect "dint", ""() nounwind
tail call void asm sideeffect "nop", ""() nounwind
tail call void asm sideeffect "", "~{memory}"() nounwind
ret i8 %conv1
}