mirror of
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7c9c6ed761
Essentially the same as the GEP change in r230786.
A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)
import fileinput
import sys
import re
pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")
for line in sys.stdin:
sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7649
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
189 lines
5.9 KiB
LLVM
189 lines
5.9 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs -enable-misched -asm-verbose < %s | FileCheck -check-prefix=SI %s
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declare i32 @llvm.r600.read.tidig.x() nounwind readnone
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; SI-LABEL: @test_if
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; Make sure the i1 values created by the cfg structurizer pass are
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; moved using VALU instructions
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; SI-NOT: s_mov_b64 s[{{[0-9]:[0-9]}}], -1
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; SI: v_mov_b32_e32 v{{[0-9]}}, -1
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define void @test_if(i32 %a, i32 %b, i32 addrspace(1)* %src, i32 addrspace(1)* %dst) #1 {
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entry:
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switch i32 %a, label %default [
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i32 0, label %case0
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i32 1, label %case1
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]
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case0:
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%arrayidx1 = getelementptr i32, i32 addrspace(1)* %dst, i32 %b
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store i32 0, i32 addrspace(1)* %arrayidx1, align 4
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br label %end
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case1:
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%arrayidx5 = getelementptr i32, i32 addrspace(1)* %dst, i32 %b
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store i32 1, i32 addrspace(1)* %arrayidx5, align 4
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br label %end
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default:
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%cmp8 = icmp eq i32 %a, 2
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%arrayidx10 = getelementptr i32, i32 addrspace(1)* %dst, i32 %b
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br i1 %cmp8, label %if, label %else
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if:
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store i32 2, i32 addrspace(1)* %arrayidx10, align 4
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br label %end
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else:
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store i32 3, i32 addrspace(1)* %arrayidx10, align 4
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br label %end
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end:
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ret void
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}
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; SI-LABEL: @simple_test_v_if
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; SI: v_cmp_ne_i32_e64 [[BR_SREG:s\[[0-9]+:[0-9]+\]]], v{{[0-9]+}}, 0
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; SI: s_and_saveexec_b64 [[BR_SREG]], [[BR_SREG]]
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; SI: s_xor_b64 [[BR_SREG]], exec, [[BR_SREG]]
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; SI: ; BB#1
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; SI: buffer_store_dword
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; SI: s_endpgm
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; SI: BB1_2:
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; SI: s_or_b64 exec, exec, [[BR_SREG]]
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; SI: s_endpgm
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define void @simple_test_v_if(i32 addrspace(1)* %dst, i32 addrspace(1)* %src) #1 {
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%tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
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%is.0 = icmp ne i32 %tid, 0
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br i1 %is.0, label %store, label %exit
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store:
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%gep = getelementptr i32, i32 addrspace(1)* %dst, i32 %tid
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store i32 999, i32 addrspace(1)* %gep
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ret void
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exit:
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ret void
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}
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; SI-LABEL: @simple_test_v_loop
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; SI: v_cmp_ne_i32_e64 [[BR_SREG:s\[[0-9]+:[0-9]+\]]], v{{[0-9]+}}, 0
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; SI: s_and_saveexec_b64 [[BR_SREG]], [[BR_SREG]]
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; SI: s_xor_b64 [[BR_SREG]], exec, [[BR_SREG]]
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; SI: s_cbranch_execz BB2_2
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; SI: ; BB#1:
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; SI: s_mov_b64 {{s\[[0-9]+:[0-9]+\]}}, 0{{$}}
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; SI: BB2_3:
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; SI: buffer_load_dword
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; SI: buffer_store_dword
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; SI: v_cmp_eq_i32_e32 vcc,
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; SI: s_or_b64 [[OR_SREG:s\[[0-9]+:[0-9]+\]]]
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; SI: s_andn2_b64 exec, exec, [[OR_SREG]]
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; SI: s_cbranch_execnz BB2_3
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define void @simple_test_v_loop(i32 addrspace(1)* %dst, i32 addrspace(1)* %src) #1 {
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entry:
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%tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
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%is.0 = icmp ne i32 %tid, 0
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%limit = add i32 %tid, 64
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br i1 %is.0, label %loop, label %exit
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loop:
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%i = phi i32 [%tid, %entry], [%i.inc, %loop]
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%gep.src = getelementptr i32, i32 addrspace(1)* %src, i32 %i
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%gep.dst = getelementptr i32, i32 addrspace(1)* %dst, i32 %i
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%load = load i32, i32 addrspace(1)* %src
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store i32 %load, i32 addrspace(1)* %gep.dst
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%i.inc = add nsw i32 %i, 1
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%cmp = icmp eq i32 %limit, %i.inc
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br i1 %cmp, label %exit, label %loop
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exit:
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ret void
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}
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; SI-LABEL: @multi_vcond_loop
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; Load loop limit from buffer
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; Branch to exit if uniformly not taken
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; SI: ; BB#0:
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; SI: buffer_load_dword [[VBOUND:v[0-9]+]]
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; SI: v_cmp_gt_i32_e64 [[OUTER_CMP_SREG:s\[[0-9]+:[0-9]+\]]]
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; SI: s_and_saveexec_b64 [[OUTER_CMP_SREG]], [[OUTER_CMP_SREG]]
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; SI: s_xor_b64 [[OUTER_CMP_SREG]], exec, [[OUTER_CMP_SREG]]
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; SI: s_cbranch_execz BB3_2
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; Initialize inner condition to false
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; SI: ; BB#1:
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; SI: s_mov_b64 [[ZERO:s\[[0-9]+:[0-9]+\]]], 0{{$}}
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; SI: s_mov_b64 [[COND_STATE:s\[[0-9]+:[0-9]+\]]], [[ZERO]]
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; Clear exec bits for workitems that load -1s
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; SI: BB3_3:
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; SI: buffer_load_dword [[B:v[0-9]+]]
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; SI: buffer_load_dword [[A:v[0-9]+]]
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; SI-DAG: v_cmp_ne_i32_e64 [[NEG1_CHECK_0:s\[[0-9]+:[0-9]+\]]], [[A]], -1
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; SI-DAG: v_cmp_ne_i32_e64 [[NEG1_CHECK_1:s\[[0-9]+:[0-9]+\]]], [[B]], -1
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; SI: s_and_b64 [[ORNEG1:s\[[0-9]+:[0-9]+\]]], [[NEG1_CHECK_1]], [[NEG1_CHECK_0]]
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; SI: s_and_saveexec_b64 [[ORNEG1]], [[ORNEG1]]
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; SI: s_xor_b64 [[ORNEG1]], exec, [[ORNEG1]]
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; SI: s_cbranch_execz BB3_5
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; SI: BB#4:
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; SI: buffer_store_dword
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; SI: v_cmp_ge_i64_e32 vcc
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; SI: s_or_b64 [[COND_STATE]], vcc, [[COND_STATE]]
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; SI: BB3_5:
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; SI: s_or_b64 exec, exec, [[ORNEG1]]
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; SI: s_or_b64 [[COND_STATE]], [[ORNEG1]], [[COND_STATE]]
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; SI: s_andn2_b64 exec, exec, [[COND_STATE]]
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; SI: s_cbranch_execnz BB3_3
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; SI: BB#6
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; SI: s_or_b64 exec, exec, [[COND_STATE]]
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; SI: BB3_2:
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; SI-NOT: [[COND_STATE]]
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; SI: s_endpgm
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define void @multi_vcond_loop(i32 addrspace(1)* noalias nocapture %arg, i32 addrspace(1)* noalias nocapture readonly %arg1, i32 addrspace(1)* noalias nocapture readonly %arg2, i32 addrspace(1)* noalias nocapture readonly %arg3) #1 {
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bb:
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%tmp = tail call i32 @llvm.r600.read.tidig.x() #0
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%tmp4 = sext i32 %tmp to i64
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%tmp5 = getelementptr inbounds i32, i32 addrspace(1)* %arg3, i64 %tmp4
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%tmp6 = load i32, i32 addrspace(1)* %tmp5, align 4
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%tmp7 = icmp sgt i32 %tmp6, 0
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%tmp8 = sext i32 %tmp6 to i64
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br i1 %tmp7, label %bb10, label %bb26
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bb10: ; preds = %bb, %bb20
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%tmp11 = phi i64 [ %tmp23, %bb20 ], [ 0, %bb ]
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%tmp12 = add nsw i64 %tmp11, %tmp4
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%tmp13 = getelementptr inbounds i32, i32 addrspace(1)* %arg1, i64 %tmp12
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%tmp14 = load i32, i32 addrspace(1)* %tmp13, align 4
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%tmp15 = getelementptr inbounds i32, i32 addrspace(1)* %arg2, i64 %tmp12
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%tmp16 = load i32, i32 addrspace(1)* %tmp15, align 4
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%tmp17 = icmp ne i32 %tmp14, -1
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%tmp18 = icmp ne i32 %tmp16, -1
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%tmp19 = and i1 %tmp17, %tmp18
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br i1 %tmp19, label %bb20, label %bb26
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bb20: ; preds = %bb10
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%tmp21 = add nsw i32 %tmp16, %tmp14
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%tmp22 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 %tmp12
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store i32 %tmp21, i32 addrspace(1)* %tmp22, align 4
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%tmp23 = add nuw nsw i64 %tmp11, 1
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%tmp24 = icmp slt i64 %tmp23, %tmp8
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br i1 %tmp24, label %bb10, label %bb26
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bb26: ; preds = %bb10, %bb20, %bb
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ret void
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}
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attributes #0 = { nounwind readnone }
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attributes #1 = { nounwind }
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