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