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1; RUN: llc < %s -mtriple=x86_64-pc-linux | FileCheck %s2 3declare dso_local win64cc void @win64_callee(i32)4declare dso_local win64cc ptr @win64_indirect()5declare dso_local win64cc void @win64_other(i32)6declare dso_local void @sysv_callee(i32)7declare dso_local ptr @sysv_indirect()8declare dso_local void @sysv_other(i32)9 10define void @sysv_caller(i32 %p1) {11entry:12 tail call win64cc void @win64_callee(i32 %p1)13 ret void14}15 16; CHECK-LABEL: sysv_caller:17; CHECK: subq $40, %rsp18; CHECK: callq win64_callee19; CHECK: addq $40, %rsp20; CHECK: retq21 22define win64cc void @win64_caller(i32 %p1) {23entry:24 tail call void @sysv_callee(i32 %p1)25 ret void26}27 28; CHECK-LABEL: win64_caller:29; CHECK: callq sysv_callee30; CHECK: retq31 32define void @sysv_matched(i32 %p1) {33 tail call void @sysv_callee(i32 %p1)34 ret void35}36 37; CHECK-LABEL: sysv_matched:38; CHECK: jmp sysv_callee # TAILCALL39 40define win64cc void @win64_matched(i32 %p1) {41 tail call win64cc void @win64_callee(i32 %p1)42 ret void43}44 45; CHECK-LABEL: win64_matched:46; CHECK: jmp win64_callee # TAILCALL47 48define win64cc void @win64_indirect_caller(i32 %p1) {49 %1 = call win64cc ptr @win64_indirect()50 call win64cc void @win64_other(i32 0)51 tail call win64cc void %1(i32 %p1)52 ret void53}54 55; CHECK-LABEL: win64_indirect_caller:56; CHECK: jmpq *%{{rax|rcx|rdx|r8|r9|r11}} # TAILCALL57 58define void @sysv_indirect_caller(i32 %p1) {59 %1 = call ptr @sysv_indirect()60 call void @sysv_other(i32 0)61 tail call void %1(i32 %p1)62 ret void63}64 65; CHECK-LABEL: sysv_indirect_caller:66; CHECK: jmpq *%{{rax|rcx|rdx|rsi|rdi|r8|r9|r11}} # TAILCALL67