; RUN: llc -march=bpfel -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s ; ; Source: ; extern void foo(void) __attribute__((nomerge)); ; ; void bar(long i) { ; if (i) ; foo(); ; else ; foo(); ; } ; ; Compilation flag: ; clang -target bpf -S -O2 -emit-llvm t.c -o t.ll ; The goal of the test is to check that 'nomerge' attribute ; preserves two calls to 'foo' from merging. ; CHECK: call foo ; CHECK: call foo ; Function Attrs: nounwind define dso_local void @bar(i64 noundef %i) local_unnamed_addr #0 { entry: %tobool.not = icmp eq i64 %i, 0 br i1 %tobool.not, label %if.else, label %if.then if.then: ; preds = %entry tail call void @foo() #2 br label %if.end if.else: ; preds = %entry tail call void @foo() #2 br label %if.end if.end: ; preds = %if.else, %if.then ret void } declare dso_local void @foo() local_unnamed_addr #1 attributes #0 = { nounwind "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" } attributes #1 = { "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" } attributes #2 = { nomerge nounwind } !llvm.module.flags = !{!0, !1} !llvm.ident = !{!2} !0 = !{i32 1, !"wchar_size", i32 4} !1 = !{i32 7, !"frame-pointer", i32 2} !2 = !{!"clang version 17.0.0 (/home/eddy/work/llvm-project/clang bd66f4b1da304af8e5a890b3205ce6f3d76667ee)"}