; RUN: llc -mtriple=riscv64 -mattr=-relax -filetype=obj < %s \ ; RUN: | llvm-objdump -d -r - | FileCheck %s --check-prefixes=CHECK,NORELAX ; RUN: llc -mtriple=riscv64 -mattr=+relax -filetype=obj < %s \ ; RUN: | llvm-objdump -d -r - | FileCheck %s --check-prefixes=CHECK,RELAX ;; With +relax, All `j` instructions below need a relocation to ensure the target is correct ;; after linker relaxation. See https://github.com/ClangBuiltLinux/linux/issues/1965 ; CHECK: j {{.*}} ; RELAX-NEXT: R_RISCV_JAL {{.*}} ; RELAX-NOT: R_RISCV_RELAX ; CHECK-NEXT: auipc ra, 0x0 ; CHECK-NEXT: R_RISCV_CALL_PLT f ; RELAX-NEXT: R_RISCV_RELAX *ABS* ; CHECK-NEXT: jalr ra ; CHECK-NEXT: j {{.*}} ; RELAX-NEXT: R_RISCV_JAL {{.*}} ; RELAX-NOT: R_RISCV_RELAX ; CHECK-NEXT: j {{.*}} ; RELAX-NEXT: R_RISCV_JAL {{.*}} ; RELAX-NEXT: R_RISCV_RELAX *ABS* ; NORELAX-NEXT: li a0, 0x0 ; RELAX-EMPTY: define dso_local noundef signext i32 @main() local_unnamed_addr #0 { entry: callbr void asm sideeffect " .option push .option norelax j $0 .option pop", "!i"() to label %asm.fallthrough [label %label] asm.fallthrough: ; preds = %entry tail call void @f() callbr void asm sideeffect " .option push .option norelax j $0 .option pop", "!i"() to label %asm.fallthrough [label %label] br label %label label: ; preds = %asm.fallthrough, %entry ret i32 0 } declare void @f() attributes #0 = { nounwind "target-features"="-c,+relax" }