; RUN: llc -mtriple=x86_64-pc-windows-msvc < %s | FileCheck %s --check-prefix=CHECK ; RUN: llc --fast-isel -mtriple=x86_64-pc-windows-msvc < %s | FileCheck %s --check-prefix=CHECK ; RUN: llc --global-isel --global-isel-abort=2 -mtriple=x86_64-pc-windows-msvc < %s | FileCheck %s --check-prefix=CHECK define dso_local void @normal_call(ptr noundef readonly %func_ptr) local_unnamed_addr section "nc_sect" { entry: call void @a() call void @a() call void %func_ptr() ret void } ; CHECK-LABEL: normal_call: ; CHECK: .Limpcall0: ; CHECK-NEXT: rex64 ; CHECK-NEXT: callq __imp_a ; CHECK-NEXT: nopl 8(%rax,%rax) ; CHECK-NEXT: .Limpcall1: ; CHECK-NEXT: rex64 ; CHECK-NEXT: callq __imp_a ; CHECK-NEXT: nopl 8(%rax,%rax) ; CHECK-NEXT: movq %rsi, %rax ; CHECK-NEXT: .Limpcall2: ; CHECK-NEXT: callq *%rax ; CHECK-NEXT: nopl (%rax) ; CHECK-NEXT: nop define dso_local void @tail_call() local_unnamed_addr section "tc_sect" { entry: tail call void @b() ret void } ; CHECK-LABEL: tail_call: ; CHECK: .Limpcall3: ; CHECK-NEXT: jmp __imp_b define dso_local void @tail_call_fp(ptr noundef readonly %func_ptr) local_unnamed_addr section "tc_sect" { entry: tail call void %func_ptr() ret void } ; CHECK-LABEL: tail_call_fp: ; CHECK: movq %rcx, %rax ; CHECK-NEXT: .Limpcall4: ; CHECK-NEXT: rex64 jmpq *%rax declare dllimport void @a() local_unnamed_addr declare dllimport void @b() local_unnamed_addr ; CHECK-LABEL .section .retplne,"yi" ; CHECK-NEXT .asciz "RetpolineV1" ; CHECK-NEXT .long 24 ; CHECK-NEXT .secnum tc_sect ; CHECK-NEXT .long 3 ; CHECK-NEXT .secoffset .Limpcall3 ; CHECK-NEXT .long 5 ; CHECK-NEXT .secoffset .Limpcall4 ; CHECK-NEXT .long 32 ; CHECK-NEXT .secnum nc_sect ; CHECK-NEXT .long 3 ; CHECK-NEXT .secoffset .Limpcall0 ; CHECK-NEXT .long 3 ; CHECK-NEXT .secoffset .Limpcall1 ; CHECK-NEXT .long 5 ; CHECK-NEXT .secoffset .Limpcall2 !llvm.module.flags = !{!0} !0 = !{i32 1, !"import-call-optimization", i32 1}