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gerrit-public.fairphone.software / toolchain / llvm-project / 91be65be656072a68b51a8c4e7bb751ea475d896 / . / llvm / test / CodeGen / MSP430 / vararg.ll
blob: edb61d2221ef9498f4906068ee52adf5f2510356 [file] [log] [blame]
Vadzim Dambrouskib07351f2017-05-24 15:08:30 +0000[diff] [blame]1; RUN: llc -verify-machineinstrs < %s | FileCheck %s
Anton Korobeynikov568afeb2012-11-21 17:28:27 +0000[diff] [blame]2
3target datalayout = "e-p:16:16:16-i8:8:8-i16:16:16-i32:16:32-n8:16"
4target triple = "msp430---elf"
5
6declare void @llvm.va_start(i8*) nounwind
7declare void @llvm.va_end(i8*) nounwind
8declare void @llvm.va_copy(i8*, i8*) nounwind
9
10define void @va_start(i16 %a, ...) nounwind {
11entry:
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]12; CHECK-LABEL: va_start:
Anton Korobeynikov49045c62018-11-15 12:29:43 +0000[diff] [blame]13; CHECK: sub #2, r1
Anton Korobeynikov568afeb2012-11-21 17:28:27 +0000[diff] [blame]14 %vl = alloca i8*, align 2
15 %vl1 = bitcast i8** %vl to i8*
Anton Korobeynikov49045c62018-11-15 12:29:43 +0000[diff] [blame]16; CHECK-NEXT: mov r1, [[REG:r[0-9]+]]
17; CHECK-NEXT: add #6, [[REG]]
18; CHECK-NEXT: mov [[REG]], 0(r1)
Anton Korobeynikov568afeb2012-11-21 17:28:27 +0000[diff] [blame]19 call void @llvm.va_start(i8* %vl1)
20 call void @llvm.va_end(i8* %vl1)
21 ret void
22}
23
24define i16 @va_arg(i8* %vl) nounwind {
25entry:
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]26; CHECK-LABEL: va_arg:
Anton Korobeynikov568afeb2012-11-21 17:28:27 +0000[diff] [blame]27 %vl.addr = alloca i8*, align 2
Anton Korobeynikov568afeb2012-11-21 17:28:27 +0000[diff] [blame]28 store i8* %vl, i8** %vl.addr, align 2
Anton Korobeynikov49045c62018-11-15 12:29:43 +0000[diff] [blame]29; CHECK: mov r12, [[REG:r[0-9]+]]
30; CHECK-NEXT: incd [[REG]]
31; CHECK-NEXT: mov [[REG]], 0(r1)
Anton Korobeynikov568afeb2012-11-21 17:28:27 +0000[diff] [blame]32 %0 = va_arg i8** %vl.addr, i16
Anton Korobeynikov49045c62018-11-15 12:29:43 +0000[diff] [blame]33; CHECK-NEXT: mov 0(r12), r12
Anton Korobeynikov568afeb2012-11-21 17:28:27 +0000[diff] [blame]34 ret i16 %0
35}
36
37define void @va_copy(i8* %vl) nounwind {
38entry:
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]39; CHECK-LABEL: va_copy:
Anton Korobeynikov568afeb2012-11-21 17:28:27 +0000[diff] [blame]40 %vl.addr = alloca i8*, align 2
41 %vl2 = alloca i8*, align 2
Anton Korobeynikov49045c62018-11-15 12:29:43 +0000[diff] [blame]42; CHECK-DAG: mov r12, 2(r1)
Anton Korobeynikov568afeb2012-11-21 17:28:27 +0000[diff] [blame]43 store i8* %vl, i8** %vl.addr, align 2
44 %0 = bitcast i8** %vl2 to i8*
45 %1 = bitcast i8** %vl.addr to i8*
Anton Korobeynikov49045c62018-11-15 12:29:43 +0000[diff] [blame]46; CHECK-DAG: mov r12, 0(r1)
Anton Korobeynikov568afeb2012-11-21 17:28:27 +0000[diff] [blame]47 call void @llvm.va_copy(i8* %0, i8* %1)
48 ret void
49}