| ; RUN: llc -march=bpf -mcpu=v3 < %s | FileCheck %s |
| ; |
| ; Source code: |
| ; void foo(int, int, int, long, int); |
| ; int test(int a, int b, int c, long d, int e) { |
| ; foo(a, b, c, d, e); |
| ; __asm__ __volatile__ ("":::"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "memory"); |
| ; foo(a, b, c, d, e); |
| ; return 0; |
| ; } |
| ; Compilation flag: |
| ; clang -target bpf -S -emit-llvm -O2 -mcpu=v3 t.c |
| |
| ; Function Attrs: nounwind |
| define dso_local i32 @test(i32 %a, i32 %b, i32 %c, i64 %d, i32 %e) local_unnamed_addr #0 { |
| entry: |
| tail call void @foo(i32 %a, i32 %b, i32 %c, i64 %d, i32 %e) #2 |
| tail call void asm sideeffect "", "~{r0},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{memory}"() #2 |
| |
| ; CHECK: *(u32 *)(r10 - 8) = w5 |
| ; CHECK: *(u64 *)(r10 - 16) = r4 |
| ; CHECK: *(u32 *)(r10 - 24) = w3 |
| ; CHECK: *(u32 *)(r10 - 32) = w2 |
| ; CHECK: *(u32 *)(r10 - 40) = w1 |
| ; CHECK: call foo |
| |
| tail call void @foo(i32 %a, i32 %b, i32 %c, i64 %d, i32 %e) #2 |
| ret i32 0 |
| } |
| |
| declare dso_local void @foo(i32, i32, i32, i64, i32) local_unnamed_addr #1 |
| |
| attributes #0 = { nounwind "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="v3" } |
| attributes #1 = { "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="v3" } |
| attributes #2 = { nounwind } |