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llvm-mirror/test/CodeGen/MSP430/byval.ll
Anton Korobeynikov dd18739c8d [MSP430] Add MC layer
Reapply r346374 with the fixes for modules build.

Original summary:

This change implements assembler parser, code emitter, ELF object writer
and disassembler for the MSP430 ISA.  Also, more instruction forms are added
to the target description.

Patch by Michael Skvortsov!

llvm-svn: 346948
2018-11-15 12:29:43 +00:00

27 lines
676 B
LLVM

; RUN: llc < %s | FileCheck %s
target datalayout = "e-p:16:16:16-i8:8:8-i16:16:16-i32:16:32-n8:16"
target triple = "msp430---elf"
%struct.Foo = type { i16, i16, i16 }
@foo = global %struct.Foo { i16 1, i16 2, i16 3 }, align 2
define i16 @callee(%struct.Foo* byval %f) nounwind {
entry:
; CHECK-LABEL: callee:
; CHECK: mov 2(r1), r12
%0 = getelementptr inbounds %struct.Foo, %struct.Foo* %f, i32 0, i32 0
%1 = load i16, i16* %0, align 2
ret i16 %1
}
define void @caller() nounwind {
entry:
; CHECK-LABEL: caller:
; CHECK: mov &foo+4, 4(r1)
; CHECK-NEXT: mov &foo+2, 2(r1)
; CHECK-NEXT: mov &foo, 0(r1)
%call = call i16 @callee(%struct.Foo* byval @foo)
ret void
}