| ; 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" |
| |
| ; Pass large structures by reference (MSP430 EABI p. 3.5) |
| |
| %s = type { i64, i64 } |
| |
| define %s @fred() #0 { |
| ; CHECK-LABEL: fred: |
| ; CHECK: mov #2314, 14(r12) |
| ; CHECK: mov #2828, 12(r12) |
| ; CHECK: mov #3342, 10(r12) |
| ; CHECK: mov #3840, 8(r12) |
| ; CHECK: mov #258, 6(r12) |
| ; CHECK: mov #772, 4(r12) |
| ; CHECK: mov #1286, 2(r12) |
| ; CHECK: mov #1800, 0(r12) |
| ret %s {i64 72623859790382856, i64 651345242494996224} |
| } |
| |
| %struct.S = type { i16, i16, i16 } |
| |
| @a = common global i16 0, align 2 |
| @b = common global i16 0, align 2 |
| @c = common global i16 0, align 2 |
| |
| define void @test() #1 { |
| ; CHECK-LABEL: test: |
| %1 = alloca %struct.S, align 2 |
| ; CHECK: mov r1, r12 |
| ; CHECK-NEXT: call #sret |
| call void @sret(%struct.S* nonnull sret %1) #3 |
| ret void |
| } |
| |
| define void @sret(%struct.S* noalias nocapture sret) #0 { |
| ; CHECK-LABEL: sret: |
| ; CHECK: mov &a, 0(r12) |
| ; CHECK: mov &b, 2(r12) |
| ; CHECK: mov &c, 4(r12) |
| %2 = getelementptr inbounds %struct.S, %struct.S* %0, i16 0, i32 0 |
| %3 = load i16, i16* @a, align 2 |
| store i16 %3, i16* %2, align 2 |
| %4 = getelementptr inbounds %struct.S, %struct.S* %0, i16 0, i32 1 |
| %5 = load i16, i16* @b, align 2 |
| store i16 %5, i16* %4, align 2 |
| %6 = getelementptr inbounds %struct.S, %struct.S* %0, i16 0, i32 2 |
| %7 = load i16, i16* @c, align 2 |
| store i16 %7, i16* %6, align 2 |
| ret void |
| } |
| |
| attributes #0 = { nounwind } |