26 lines
684 B
LLVM
26 lines
684 B
LLVM
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; RUN: llc -march=bpf < %s | FileCheck %s
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;
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; Source code:
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; struct t1 { int a; };
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; struct t1 data = { .a = 3 };
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; int foo(void) {
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; return data.a + 20;
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; }
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; Compilation flag:
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; clang -target bpf -O2 -S -emit-llvm test.c
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%struct.t1 = type { i32 }
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@data = dso_local local_unnamed_addr global %struct.t1 { i32 3 }, align 4
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; Function Attrs: norecurse nounwind readonly
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define dso_local i32 @foo() local_unnamed_addr {
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entry:
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%0 = load i32, i32* getelementptr inbounds (%struct.t1, %struct.t1* @data, i64 0, i32 0), align 4
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%add = add nsw i32 %0, 20
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; CHECK: [[REG1:r[0-9]+]] = data ll
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; CHECK: r0 = *(u32 *)([[REG1]] + 0)
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; CHECK: r0 += 20
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ret i32 %add
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}
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