25 lines
843 B
LLVM
25 lines
843 B
LLVM
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; RUN: llc < %s -march=bpfel -verify-machineinstrs -show-mc-encoding | FileCheck %s
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; RUN: llc < %s -march=bpfel -verify-machineinstrs -show-mc-encoding -mcpu=v3 | FileCheck --check-prefix=CHECK-V3 %s
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; CHECK-LABEL: test_load_add_32
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; CHECK: lock *(u32 *)(r1 + 0) += r2
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; CHECK: encoding: [0xc3,0x21
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; CHECK-V3: lock *(u32 *)(r1 + 0) += w2
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; CHECK-V3: encoding: [0xc3,0x21,0x00,0x00,0x00,0x00,0x00,0x00]
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define void @test_load_add_32(i32* %p, i32 zeroext %v) {
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entry:
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atomicrmw add i32* %p, i32 %v seq_cst
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ret void
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}
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; CHECK-LABEL: test_load_add_64
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; CHECK: lock *(u64 *)(r1 + 0) += r2
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; CHECK: encoding: [0xdb,0x21
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; CHECK-V3: lock *(u64 *)(r1 + 0) += r2
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; CHECK-V3: encoding: [0xdb,0x21,0x00,0x00,0x00,0x00,0x00,0x00]
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define void @test_load_add_64(i64* %p, i64 zeroext %v) {
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entry:
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atomicrmw add i64* %p, i64 %v seq_cst
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ret void
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}
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