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1;; Test the function attribute "patchable-function-entry".2; RUN: llc -mtriple=riscv32 -M no-aliases < %s | FileCheck %s --check-prefixes=CHECK,RV32,NORVC3; RUN: llc -mtriple=riscv64 -M no-aliases < %s | FileCheck %s --check-prefixes=CHECK,RV64,NORVC4; RUN: llc -mtriple=riscv32 -mattr=+c -M no-aliases < %s | FileCheck %s --check-prefixes=CHECK,RV32,RVC5; RUN: llc -mtriple=riscv64 -mattr=+c -M no-aliases < %s | FileCheck %s --check-prefixes=CHECK,RV64,RVC6 7define void @f0() "patchable-function-entry"="0" {8; CHECK-LABEL: f0:9; CHECK-NEXT: .Lfunc_begin0:10; CHECK-NOT: {{addi|c.nop}}11; NORVC: jalr zero, 0(ra)12; RVC: c.jr ra13; CHECK-NOT: .section __patchable_function_entries14 ret void15}16 17define void @f1() "patchable-function-entry"="1" {18; CHECK-LABEL: f1:19; CHECK-NEXT: .Lfunc_begin1:20; NORVC: addi zero, zero, 021; NORVC-NEXT: jalr zero, 0(ra)22; RVC: c.nop23; RVC-NEXT: c.jr ra24; CHECK: .section __patchable_function_entries,"awo",@progbits,f1{{$}}25; 32: .p2align 226; 32-NEXT: .word .Lfunc_begin127; 64: .p2align 328; 64-NEXT: .quad .Lfunc_begin129 ret void30}31 32$f5 = comdat any33define void @f5() "patchable-function-entry"="5" comdat {34; CHECK-LABEL: f5:35; CHECK-NEXT: .Lfunc_begin2:36; NORVC-COUNT-5: addi zero, zero, 037; NORVC-NEXT: jalr zero, 0(ra)38; RVC-COUNT-5: c.nop39; RVC-NEXT: c.jr ra40; CHECK: .section __patchable_function_entries,"awoG",@progbits,f5,f5,comdat{{$}}41; RV32: .p2align 242; RV32-NEXT: .word .Lfunc_begin243; RV64: .p2align 344; RV64-NEXT: .quad .Lfunc_begin245 ret void46}47 48;; -fpatchable-function-entry=3,249;; "patchable-function-prefix" emits data before the function entry label.50define void @f3_2() "patchable-function-entry"="1" "patchable-function-prefix"="2" {51; CHECK-LABEL: .type f3_2,@function52; CHECK-NEXT: .Ltmp0:53; NORVC-COUNT-2: addi zero, zero, 054; RVC-COUNT-2: c.nop55; CHECK-NEXT: f3_2: # @f3_256; CHECK: # %bb.0:57; NORVC-NEXT: addi zero, zero, 058; NORVC-NEXT: addi sp, sp, -1659; RVC-NEXT: c.nop60; RVC-NEXT: c.addi sp, -1661;; .size does not include the prefix.62; CHECK: .Lfunc_end3:63; CHECK-NEXT: .size f3_2, .Lfunc_end3-f3_264; CHECK: .section __patchable_function_entries,"awo",@progbits,f3_2{{$}}65; RV32: .p2align 266; RV32-NEXT: .word .Ltmp067; RV64: .p2align 368; RV64-NEXT: .quad .Ltmp069 %frame = alloca i8, i32 1670 ret void71}72